Inventor

Yoshihisa Fukushima

Inventor

Osaka, JP

Overview

1988–2021

Patent span

Physics

Primary field (CPC G)

Patents· 195 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G11Bprimary

G11BInformation storage based on relative movement between record carrier and transducer60%

H04NPictorial communication, e.g. television22%

G06FElectric digital data processing4%

G09BEducational or demonstration appliances3%

H03MCoding3%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2%

H04LTransmission of digital information, e.g. telegraphic communication1%

G11CStatic stores1%

G10HElectrophonic musical instruments1%

H01LSemiconductor devices1%

PatentTitleYear

11,107,507Transmitting data signals on separate layers of a memory module, and related methods, systems and apparatuses2021 10,199,363Semiconductor memory device including output buffer2019 9,691,744'Semiconductor memory device including output buffer'2017 8,391,689'High-resolution optical disk for recording stereoscopic video, optical disk reproducing device, and optical disk recording device'2013 8,391,692'High-resolution optical disk for recording stereoscopic video, optical disk reproducing device, and optical disk recording device'2013 8,391,693'High-resolution optical disk for recording stereoscopic video, optical disk reproducing device, and optical disk recording device'2013 8,391,686'High-resolution optical disk for recording stereoscopic video, optical disk reproducing device, and optical disk recording device'2013 8,391,691'High-resolution optical disk for recording stereoscopic video, optical disk reproducing device, and optical disk recording device'2013 8,391,690'High-resolution optical disk for recording stereoscopic video, optical disk reproducing device, and optical disk recording device'2013 8,250,442'Recording method and reproduction method suitable for recording/reproduction of AV data, and recording drive and reproduction drive, information recording system and information reproduction system, and information recording medium for such methods'2012 8,200,064'High-resolution optical disk for recording stereoscopic video, optical disk reproducing device, and optical disk recording device'2012 8,184,961'High-resolution optical disk for recording stereoscopic video, optical disk reproducing device, and optical disk recording device'2012 8,150,240'High-resolution optical disk for recording stereoscopic video, optical disk reproducing device, and optical disk recording device'2012 8,139,929'High-resolution optical disk for recording stereoscopic video, optical disk reproducing device, and optical disk recording device'2012 8,059,935'Recording method and reproduction method suitable for recording/reproduction of AV data, and recording drive and reproduction drive, information recording system and information reproduction system, and information recording medium for such methods'2011 7,952,971'Recording/reproducing method suitable for recording/reproducing AV data on/from disc, recorder and reproducer for the method, information recording disc and information processing system'2011 7,916,607'Optical disc drive'2011 7,813,236'Information recording medium, information recording method and information recording/reproduction system'2010 7,747,145'High-resolution optical disk for recording stereoscopic video, optical disk reproducing device, and optical disk recording device'2010 7,746,755'Optical disc drive'2010 7,684,299'Control apparatus, a control method and an information access apparatus'2010 7,593,622'Information recording medium, information recoding/reproduction system apparatus, and information recording/reproduction method'2009 7,509,333'Information recording medium, information recording method, information recording apparatus, information reproducing method and information reproducing apparatus'2009 7,437,390'Information recording medium, information recording method, information recording apparatus, information reproducing method and information reproducing apparatus'2008 7,406,013'Optical disc drive'2008 7,400,725'Information recording medium for recording a scrambled part of content information, and method and apparatus for reproducing information recorded therein'2008 7,398,352'Recording method and recording apparatus that limits number of rewrites to the same storage area'2008 7,283,728'Recording/reproducing method suitable for recording/reproducing AV data on/from disc, recorder and reproducer for the method, information recording disc and information processing system'2007 7,269,613'Information recording medium, information recording method, information recording apparatus, information reproducing method and information reproducing apparatus'2007 7,206,268'Information recording medium information recording method and information recording/reproduction system'2007 7,200,085'Recordable data storage medium including property data'2007 7,194,194'Method and an apparatus for reproducing bitstream having non-sequential system clock data seamlessly therebetween'2007 7,188,221'Information recording medium, information recording method, information recording apparatus, information reproduction method, and information reproduction apparatus'2007 7,155,591'Verifying the integrity of a media key block by storing validation data in the validation area of media'2006 7,155,566'Information recording medium, information recording method, information recording apparatus, information reproduction method, and information reproduction apparatus'2006 7,149,177'Information recording medium, information recording apparatus, information recording method, information reproduction apparatus and information reproduction method'2006 7,130,840'Information recording medium, information recording method, information recording apparatus, information reproducing method, and information reproducing apparatus'2006 7,076,623'Information update count managing method, information update count managing apparatus, contents usage count managing method, and content usage count storing apparatus'2006 RE039163'Recording defect substitution method for a disc-shaped recording medium, and a recording and reproducing apparatus for a disc-shaped recording medium'2006 7,072,256'Information recording medium, information recording method and information reproduction method'2006 7,061,850'Optical recording medium and recording method for the same'2006 7,062,626'Information recording medium, information recording method, information recording apparatus, information reproduction method, and information reproduction apparatus'2006 7,050,701'Information recording medium, information recording/reproducing method, and information recording/reproducing device'2006 7,039,297'Recording/reproducing method suitable for recording/reproducing AV data on/from disc, recorder and reproducer for the method, information recording disc and information processing system'2006 7,027,373'Information recording medium, information recording method and information reproduction method'2006 7,024,534'Information recording medium, information recording method, information recording apparatus, information reproduction method, and information reproduction apparatus'2006 7,024,103'Information recording medium and system controller'2006 7,016,276'Information recording medium information recording method and information recording/reproduction system'2006 7,016,597'Information recording medium and system controller'2006 6,990,289'Recording/reproducing method suitable for recording/reproducing AV data on/from disc, recorder and reproducer for the method, information recording disc and information processing system'2006 6,985,427'Multi-layered optical disk and method of detecting a track'2006 6,978,084'Recording/reproduction method suitable for recording/reproducing AV data on/from disc, recorder and reproducer for the method, information recording disc and information processing system'2005 6,958,965'Information recording disc and information reproducing system'2005 6,958,971'Method of retrieving information with layer identification data from a multi-layered optical disk'2005 6,954,584'Method and an apparatus reproducing bitstream having non-sequential system clock data seamlessly therebetween'2005 6,912,634'Verifying the integrity of a media key block by storing validation data in a validation area of media'2005 6,909,838'Recording/reproducing method suitable for recording/reproducing AV data on/from disc, recorder and reproducer for the method, information recording disc and information processing system'2005 6,907,190'Method and an apparatus for reproducing bitstream having non-sequential system clock data seamlessly therebetween'2005 RE038706'Recording defect substitution method of a disc-shaped recording medium, and a recording and reproducing apparatus for a disc-shaped recording medium'2005 6,842,580'Real-time recording/reproduction on an information recording medium including a defective region'2005 6,839,504'Information recording medium and system controller'2005 RE038611'Method for substituting defective recording of discoid recording medium and discoid recording medium recording and reproducing device'2004 6,788,876'Information recording medium, information recording/reproduction system apparatus, and information recording/reproduction method'2004 6,785,219'Information recording medium, information recording/reproducing method, and information recording/reproducing device'2004 6,782,487'Information recording medium information recording method and information recording/reproduction system'2004 6,762,984'Information recorded medium, information recording/reproducing method, and information recording/reproducing device'2004 6,742,147'Information recording medium, and method and apparatus for managing defect thereof'2004 6,738,878'Verifying the integrity of a media key block by storing validation data in the cutting area of media'2004 6,732,303'Information recording medium, and method and apparatus for managing defect thereof'2004 6,728,195'Multi-layered optical disk with shifted track and layer identification and method of detecting a track'2004 6,581,167'Information recording medium, information recording method and information recording/reproduction system'2003 6,574,420'Recording/reproducing method suitable for recording/reproducing AV data on/from disc, recorder and reproducer for the method, information recording disc and information processing system'2003 6,574,423'High-resolution optical disk for recording stereoscopic video, optical disk reproducing device, and optical disk recording device'2003 6,564,338'Information recording medium, and method and apparatus for managing defect thereof'2003 6,553,179'Optical disc for coordinating the use of special reproduction functions and a reproduction device for the optical disc'2003 6,549,499'Recording defect substitution method for a disc-shaped recording medium, and a recording and reproducing apparatus for a disc-shaped recording medium'2003 6,546,195'Method and an apparatus for reproducing bitstream having non-sequential system clock data seamlessly therebetween'2003 6,539,468'Data copying system, data copying method, data reading apparatus, data writing apparatus and data recording medium'2003 6,526,226'Method and an apparatus for reproducing bitstream having non-sequential system clock data seamlessly therebetween'2003 6,519,414'Method and an apparatus for reproducing bitstream having non-sequential system clock data seamlessly therebetween'2003 6,516,139'Method and an apparatus for reproducing bitstream having non-sequential system clock data seamlessly therebetween'2003 6,516,138'Method and an apparatus for reproducing bitstream having non-sequential system clock data seamlessly therebetween'2003 6,502,199'Method and an apparatus for reproducing bitstream having non-sequential system clock data seamlessly therebetween'2002 6,502,198'Method and an apparatus for reproducing bitstream having non-sequential system clock data seamlessly therebetween'2002 6,502,200'Method and an apparatus for reproducing bitstream having non-sequential system clock data seamlessly therebetween'2002 6,496,455'Recording defect substitution method for a disc-shaped recording medium, and a recording and reproducing apparatus for a disc-shaped recording medium'2002 6,493,503'Optical disc for coordinating a variable reproduction of video images'2002 6,484,266'Method and an apparatus for reproducing bitstream having non-sequential system clock data seamlessly therebetween'2002 6,470,460'Method and an apparatus for reproducing bitstream having non-sequential system clock data seamlessly therebetween'2002 6,466,735'Optical disk and reproduction apparatus for producing optical disk'2002 6,421,315'Multi-layered optical disk with shifted track and layer identification and method of detecting a track'2002 6,393,574'Method and an apparatus for reproducing bitstream having non-sequential system clock data seamlessly therebetween'2002 6,385,148'Information recording medium, information recording method, information recording apparatus and information reproducing apparatus'2002 6,366,732'Machine readable recording medium, reproduction apparatus, and method for setting pre-reproduction parameters and post-reproduction parameters for video objects'2002 6,356,703'Optical disc for coordinating a variable reproduction of video images'2002 6,356,707'Multimedia optical disk, reproduction apparatus and method for achieving variable scene development based on interactive control'2002 6,351,447'Recording defect substitution method for a disc-shaped recording medium, and a recording and reproducing apparatus for a disc-shaped recording medium'2002 6,338,153'Information recording medium, and method and apparatus for managing defect thereof'2002 6,336,196'Information recording medium and method and apparatus for managing defect thereof'2002 6,336,197'Information recording medium, and method and apparatus for managing defect thereof'2002 6,314,078'Recording defect substitution method for a disc-shaped recording medium, and a recording and reproducing apparatus for a disc-shaped recording medium'2001 6,314,235'Recording/reproducing method suitable for recording/reproducing AV data on/from disc, recorder and reproducer for the method, information recording disc and information processing system'2001 6,304,534'Information recording medium, information recording method, information recording apparatus and information reproducing apparatus'2001 6,301,220'Recording defect substitution method for a disc-shaped recording medium, and a recording and reproducing apparatus for a disc-shaped recording medium'2001 6,295,257'Information recording medium, information recording method, information recording apparatus and information reproducing apparatus'2001 6,292,445'Information recording medium, information recording method, information recording apparatus and information reproducing apparatus'2001 6,292,625'Recording/reproducing method suitable for recording/reproducing AV data on/from disc, recorder and reproducer for the method, information recording disc and information processing system'2001 6,289,102'Apparatus and method for preventing unauthorized use of information recorded on an information recording medium'2001 6,282,365'Recording/reproducing method suitable for recording/reproducing AV data on/from disc, recorder and reproducer for the method, information recording disc and information processing system'2001 6,249,888'Information recording medium, and method and apparatus for managing defect thereof'2001 6,233,699'Information recording medium, and method and apparatus for managing defect thereof'2001 6,229,952'Optical disc, reproduction device and method for coordinating a variable reproduction of video images'2001 6,226,446'Machine readable recording medium, reproduction apparatus and method for controlling selection of menu items within a video object'2001 6,223,310'Information recording medium, and method and apparatus for managing defect thereof'2001 6,205,099'Disk defect management method and disk recording and reproducing apparatus'2001 6,201,928'Reproduction device and method for coordinating a variable reproduction of video images'2001 6,189,118'Information recording medium, and method and apparatus for managing defect thereof'2001 6,185,365'Multimedia optical disk, reproduction apparatus and method for achieving variable scene development based on interactive control'2001 6,181,872'Method and apparatus for interleaving bitstream to record thereof on a recording medium, and reproducing the interleaved bitstream therefrom'2001 6,182,263'Apparatus for generating, recording and transmitting an error product code block having an improved check code arrangement'2001 6,175,549'Recording defect substitution method of a disc-shaped recording medium, and a recording and reproducing apparatus for a disc-shaped recording medium'2001 6,160,778'Information recording medium, information recording method, information recording apparatus and information reproducing apparatus'2000 6,151,394'Encrypted communication system that limits the damage caused when a secret key has been leaked'2000 6,134,214'Method for substituting defective recording of discoid recording medium and discoid recording medium recording and reproducing device'2000 6,047,103'Data transmitter, data transmitting method, data receiver, information processor, and information recording medium'2000 6,034,618'Device authentication system which allows the authentication function to be changed'2000 5,999,696'Optical disc and reproduction device which can achieve a dynamic switching of the reproduced content'1999 5,953,290'Recording medium and reproduction apparatus for displaying display data synchronously with reproduction of audio data'1999 5,923,869'Method and an apparatus for reproducing bitstream having non-sequential system clock data seamlessly therebetween'1999 5,923,627'Optical disc for coordinating the use of special reproduction functions and a reproduction device for the optical disk'1999 5,915,067'Multimedia optical disc facilitating branch reproduction to parental lock sections using reduced control information and a reproducing device for said disc'1999 5,907,658'Multimedia optical disk, reproduction apparatus and method for achieving variable scene development based on interactive control'1999 5,895,124'Optical disc and reproduction device which can achieve a dynamic switching of the reproduced content'1999 5,883,878'Method of manufacturing a multilayered optical disc'1999 5,881,032'Optical disk, and optical disk reproduction method and apparatus implementing a mathematical complementary relationship for plural layers'1999 5,870,374'Multi-layer optical disc having a pair of substrates spaced by an adhesive material'1999 5,854,873'Method and an apparatus for encoding a bitstream with plural possible searching reproduction paths information'1998 5,850,379'Optical information recording medium, optical information recording method, and optical information reproducing apparatus utilizing the same'1998 5,798,995'Information recording medium and apparatus and method for recording and reproducing information'1998 5,790,569'Method and apparatus for generating, recording and transmitting an error product code block having an improved check code arrangement'1998 5,790,487'Optical information recording medium, optical information recording method, and optical information reproducing apparatus utilizing the same'1998 5,784,528'Method and an apparatus for interleaving bitstream to record thereof on a recording medium, and reproducing the interleaved bitstream therefrom'1998 5,764,620'Multi-layered optical disk with shifted track and layer identification and method of detecting a track'1998 5,734,788'Multimedia optical disc which can preserve the freshness of stored data, a reproduction apparatus for reproducing such optical disc and a reproduction method'1998 5,694,387'Optical medium having a data pattern for detecting an upside-down insertion, and reproducing apparatus for use therewith'1997 5,691,972'Multimedia optical disc which conforms to the motion picture rating systems in a variety of countries and a reproducing device for said disc'1997 5,642,338'Information recording medium and apparatus and method for recording and reproducing information'1997 5,596,564'Information recording medium and apparatus and method for recording and reproducing information'1997 5,568,467'Information recording format having a plurality of bands with independent read and write control data'1996 5,566,350'Information device for providing fast data transfer with minimum overhead'1996 5,564,013'Optical information recording and reproducing apparatus adapted to optically record and reproduce data in a sector, and method thereof'1996 5,513,160'Optical disc and contamination detection system in an apparatus for recording and reproducing the same'1996 5,485,439'Method for recording/reproducing information and apparatus therefor'1996 5,475,668'Method of producing file management structures, information reproduction apparatus and information reproducing method'1995 5,457,794'Information retrieval apparatus for searching target literature data from an information recording medium, including reuse of past retrieving results'1995 5,428,597'Multi-layered optical disk with track and layer identification'1995 5,404,357'Information writing and reading apparatus'1995 5,359,584'Data recording/reproducing method and apparatus having means for reliable detection of unrecorded sectors'1994 5,313,612'Information recording and reproducing apparatus including both data and work optical disk drives for restoring data and commands after a malfunction'1994 5,303,225'Multi-layered optical disk with track and layer identification'1994 5,293,566'Information recording and reproducing apparatus'1994 5,270,877'Information recording medium and information recording and reproducing apparatus'1993 5,253,242'Double-sided optical disc player'1993 5,243,581'Data recording/reproducing apparatus having plural optical disk drives operating in parallel'1993 5,237,553'Data recording and reproducing apparatus having a plurality of operating modes'1993 5,216,677'Data reproducing apparatus'1993 5,214,635'Erasable optical disk and optical information recording/reproduction apparatus'1993 5,214,626'Information recording/reproducing apparatus for writing on and reading from a rewritable optical disk have tracks divided into a plurality of sectors'1993 5,202,876'Optical disc recording-reproducing apparatus in which sector substitution of defective sectors is performed'1993 5,184,341'Information recording method having successive data write and data verify operations'1993 5,173,886'Composite optical disc having both a data read-only area and a data rewritable area, and a recording/reproducing system for use therewith'1992 5,161,143'Information recording-reproducing apparatus for optimizing data transfer'1992 5,153,885'Bit error measuring apparatus'1992 5,140,580'Optical disk apparatus operative with optimal recording power setting'1992 5,138,599'Information recording medium having dummy tracks and information recording and reproducing apparatus'1992 5,111,444'Method of managing defective sectors in a disk-shaped information recording medium and an apparatus for performing the same'1992 5,077,720'Optical information recording and reproducing system and optical disk'1991 5,073,887'Optical disk recording and reading system with directory data access mechanism'1991 5,023,854'Disc having a data read-only area and a data recording arm and a recording reproducing system therefor'1991 4,986,668'Information recording and reproducing apparatus with management of defective sector'1991 4,984,230'Rewritable optical disk with defective-sector substitution arrangement and optical information recording and reproducing system'1991 4,969,139'Optical information recording and reproducing apparatus having an improved detection system for detecting fouling of a disk or an internal optical system'1990 4,964,094'Optical disk'1990 4,949,326'Optical information recording and reproducing system using optical disks having an error correction function'1990 4,939,713'Erasable optical disk and optical information recording/reproduction apparatus'1990 4,885,735'Information recording and reproducing apparatus with management of defective sector'1989 4,879,704'Optical disk, optical disk recording and reproducing apparatus and copy preventive method for optical disks'1989 4,833,663'Information recording/reproducing apparatus for handling defective sectors on an optical disk'1989 4,823,333'Optical disk duplicating apparatus using sector data identification information for controlling duplication'1989 4,821,254'Information recording and reproducing apparatus which detects deterioration of a medium in each sector before recording'1989 4,805,046'Information recording and reproducing apparatus using sectors divided into a plurality of frames and having means for proper storage of the frame data'1989 4,799,208'Optical recording and reproducing apparatus having erasing function with controllable erasing beam'1989 4,789,911'Information recording and reproducing apparatus'1988 4,774,700'Information recording and reproducing apparatus with detection and management of defective sectors'1988 4,769,804'Optical data recording and reproducing apparatus with erase function diagnosis'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–2008Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (163)· patent assignee history

1988–2013Based in Osaka, JP· patent location history

2009–2013Patents assigned to PANASONIC CORP (20)· patent assignee history

2011–2013Patents assigned to FUKUSHIMA YOSHIHISA (12)· patent assignee history

2012–2013Patents assigned to AZUMATANI YASUSHI (10)· patent assignee history

2012–2013Patents assigned to HASEBE TAKUMI (10)· patent assignee history

2017–2021Based in Tokyo, JP· patent location history

2019Based in Hachioji, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD	163	1988–2008
PANASONIC CORP	20	2009–2013
FUKUSHIMA YOSHIHISAself	12	2011–2013
AZUMATANI YASUSHI	10	2012–2013
HASEBE TAKUMI	10	2012–2013

Locations

Location	Patents	Span
Osaka, JP	192	1988–2013
Tokyo, JP	2	2017–2021
Hachioji, JP	1	2019