Inventor

Motoyasu Terao

Inventor

Tokyo, JP

Overview

1977–2013

Patent span

Physics

Primary field (CPC G)

Patents· 179 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 transducer43%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%

Y10TTechnical subjects covered by former us classification10%

G11CStatic stores7%

H10NElectric solid-state devices not otherwise provided for7%

H10BElectronic memory devices6%

B82YSpecific uses or applications of nanostructures3%

C23CCoating metallic material1%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form1%

C03CChemical composition of glasses, glazes or vitreous enamels1%

PatentTitleYear

8,618,523'Semiconductor device'2013 8,513,640'Semiconductor device'2013 8,482,997'Method of manufacturing non-volatile memory module'2013 8,319,204'Semiconductor device'2012 8,129,707'Semiconductor integrated circuit device'2012 8,132,063'Semiconductor device'2012 8,130,575'Semiconductor device'2012 8,000,126'Semiconductor device with recording layer containing indium, germanium, antimony and tellurium'2011 7,996,735'Semiconductor device'2011 7,995,082'Three-dimensional recording and reproducing apparatus'2011 7,911,910'Information recording method and apparatus with suppressed mark edge jitters'2011 7,907,490'Information recording method and apparatus with suppressed mark edge jitters'2011 7,907,491'Information recording method and apparatus with suppressed mark edge jitters'2011 7,894,232'Semiconductor device having user field and vendor field'2011 7,852,727'Information recording method and apparatus with suppressed mark edge jitters'2010 7,838,379'Non-volatile memory device and method of manufacturing the same'2010 7,834,337'Memory device'2010 7,829,930'Semiconductor device with ion movement control'2010 7,767,997'Semiconductor device with solid electrolyte switching'2010 7,719,870'Storage device'2010 7,684,301'Information recording method and apparatus with suppressed mark edge jitters'2010 7,667,218'Semiconductor integrated circuit device and method of manufacturing the same'2010 7,638,786'Semiconductor and semiconductor manufacturing arrangements having a chalcogenide layer formed of columnar crystal grains perpendicular to a main substrate surface'2009 7,542,396'Information recording apparatus, information recording medium and information recording medium'2009 7,489,552'Semiconductor integrated circuit device'2009 7,470,923'Semiconductor integrated circuit device'2008 7,436,754'Information-recording medium and method'2008 7,426,174'Information recording medium having pair of electrodes'2008 7,417,933'Information recording method and apparatus with suppressed mark edge jitters'2008 7,351,460'Information recording medium, information recording device, and information recording method'2008 7,349,319'Information recording apparatus, recording media and recording method'2008 7,341,892'Semiconductor memory cell and method of forming same'2008 7,335,907'Memory device'2008 7,324,372'Storage device'2008 7,286,153'Three-dimensional recording and reproducing apparatus'2007 7,263,053'Information recording method and information recording apparatus'2007 7,247,357'Image display device'2007 7,229,709'Method for producing nanoparticle layer having uniform easy axis of magnetization, magnetic recording medium having such layer, its production method, and its production apparatus'2007 7,169,334'Optical information recording medium'2007 7,154,842'Optical reproducing method for optical medium with aligned prepit portion'2006 7,123,535'Semiconductor integrated circuit device'2006 7,116,593'Storage device'2006 7,099,263'Optical reproducing method for optical medium with aligned prepit portion'2006 7,092,349'Optical reproducing method optical medium with aligned prepit portion'2006 7,092,350'Optical reproducing method for optical medium with aligned prepit portion'2006 7,085,222'Optical reproducing method for optical medium with aligned prepit portion'2006 7,082,098'Optical reproducing method for optical medium with aligned prepit portion'2006 7,078,273'Semiconductor memory cell and method of forming same'2006 7,079,478'Optical reproducing method for optical medium with aligned prepit portion'2006 7,072,288'Optical reproducing method for optical medium with aligned prepit portion'2006 7,072,286'Optical reproducing method for optical medium with aligned prepit portion'2006 7,072,279'Optical reproducing method for optical medium with aligned prepit portion'2006 7,072,280'Optical reproducing method for optical medium with aligned prepit portion'2006 7,072,277'Optical reproducing method for optical medium with aligned prepit portion'2006 7,072,278'Optical reproducing method for optical medium with aligned prepit portion'2006 7,071,485'Semiconductor integrated circuit device'2006 7,072,282'Optical reproducing method for optical medium with aligned prepit portion'2006 7,072,287'Optical reproducing method for optical medium with aligned prepit portion'2006 7,072,281'Optical reproducing method for optical medium with aligned prepit portion'2006 7,068,587'Method for reproducing information data from a recording medium having dummy data shifted at random'2006 7,042,823'Information recording method and apparatus with suppressed mark edge jitters'2006 7,012,871'Information recording method and apparatus with suppressed mark edge jitters'2006 6,996,054'Optical reproducing method for optical medium with aligned prepit portion'2006 6,977,883'Information recording medium having pair of electrodes'2005 6,956,806'Information recording medium, information recording method and information recording apparatus'2005 6,954,941'Information recording medium and information recording device'2005 6,946,704'Semiconductor memory cell and method of forming same'2005 6,944,117'Information recording medium and information recording device'2005 6,854,126'Information recording medium with SiO2-In2O3-SnO2-ZnS protective layer'2005 6,844,092'Optically functional element and production method and application therefor'2005 6,845,081'Optical reproducing method for optical medium with aligned prepit portion'2005 6,842,415'Information recording method and apparatus with suppressed mark edge jitters'2005 6,821,596'Information recording medium, information recording method, and information reproducing method'2004 6,806,030'Information recording medium and method for manufacturing information recording medium'2004 6,790,502'Optically functional element and production method and application therefor'2004 6,783,832'Information recording medium'2004 6,749,955'Information recording media and information recording drive'2004 6,746,749'Magnetic recording disk'2004 6,740,921'Semiconductor memory cell and method of forming same'2004 6,740,382'Information recording medium'2004 6,703,098'Information recording medium and method for manufacturing information recording medium'2004 6,700,852'Information recording medium with recording film with cobalt oxide crystalline particles, and information recording device including the same'2004 6,667,946'Optical information recording medium'2003 6,659,759'Apparatus for the production of a recording medium'2003 6,650,608'Information recording medium, information recording method and information recording apparatus'2003 6,636,477'Information recording medium and information recording device'2003 6,608,806'Information recording method and apparatus with suppressed mark edge jitters'2003 6,603,730'Optical reproducing method'2003 6,580,685'Optical recording medium with aligned prepit portion'2003 6,552,994'Optical reproduction apparatus'2003 6,549,510'Optical recording medium having grooves and lands'2003 6,545,973'Optical reproduction apparatus'2003 6,542,456'Optical reproducing method'2003 6,538,980'Optical disc'2003 6,538,981'Optical reproduction apparatus'2003 6,534,206'Information recording media and information recording drive'2003 6,532,207'Optical reproducing method'2003 6,529,467'Information recording method and apparatus with suppressed mark edge jitters'2003 6,529,470'Optical recording medium with aligned prepit portion'2003 6,524,766'Optical disk medium'2003 6,519,219'Information recording method for recording a recording signal and a dummy signal added to a leading or/and trailing side of the recording signal'2003 6,487,156'Information recording apparatus for recording a recording signal and a dummy signal added to a leading and/or trailing side of the recording signal'2002 6,485,808'Method of manufacturing an optical disk substrate, an apparatus of manufacturing an optical disk and an optical disk substrate'2002 6,483,800'Optical reproduction apparatus for reproducing information from an optical recording medium having wobbled pits'2002 6,483,794'Information recording method for recording a recording signal and a dummy signal added to a leading or/and trailing side of the recording signal'2002 6,480,452'Information recording medium, information recording method and information recording apparatus'2002 6,480,451'Information recording medium, information recording method and information recording apparatus'2002 6,472,047'Magnetic recording disk'2002 6,440,517'Glass material'2002 6,436,504'Information recording medium'2002 6,430,146'Optical reproducing method'2002 6,410,133'Magnetic recording disk, method of the magnetic recording disk and magnetic recording apparatus'2002 6,411,591'Optical recording medium and optical memory device'2002 6,392,985'Optical reproduction apparatus for reproducing information from optical recording medium having wobbled address pits'2002 6,385,153'Information recording medium, information recording method and information recording apparatus'2002 6,383,595'Information recording medium'2002 6,370,106'Optical reproduction apparatus'2002 6,343,056'Information recording method and apparatus with suppressed mark edge jitters'2002 6,340,555'Information recording medium and information recording and reproducing apparatus using the same'2002 6,317,408'Optical storage medium having information of dummy data at leading side or trailing side of user data'2001 6,312,779'Information recording medium and information recording/reproducing apparatus'2001 6,278,680'Initial crystallization method of recording media and device thereof'2001 6,262,968'Optical information processing apparatus'2001 6,236,635'Information recording method and apparatus with suppressed mark edge jitters'2001 6,232,035'Information recording medium and information memory apparatus'2001 6,231,945'Information recording medium'2001 6,200,673'Magneto-optical recording medium'2001 6,177,169'Optical information recording medium'2001 6,132,932'Information recording medium and information recording and reproducing apparatus using the same'2000 6,111,850'Optical recording method for recording dummy data at leading and trailing sides of user data'2000 6,075,765'Information recording and reproducing apparatus, a cartridge for use in the same, and an information recording and reproducing system having the apparatus'2000 6,064,644'Optical recording medium having particular arrangement of prepits and manufacturing method thereof'2000 5,985,401'Optical information recording medium'1999 5,982,738'Optical recording medium having at least wobbled synchronous information shared between tracks'1999 5,974,023'Information recording medium, information recording method and information recording apparatus'1999 5,958,649'Information recording medium and information memory apparatus'1999 5,912,104'Information recording medium'1999 5,898,663'Optical recording medium with address information prepit for the same track at opposite boundaries of the same track'1999 5,882,759'Information recording medium and information memory storage'1999 5,878,021'Information recording medium, information recording method and information recording apparatus'1999 5,846,625'Optical recording medium and information processing apparatus used therefor'1998 5,709,978'Supperresolution readout thin film and information recording medium'1998 5,703,867'Optical recording medium having a dummy area at leading and/or trailing positions of recording area'1997 5,614,938'Three-dimensional recording and reproducing apparatus'1997 5,479,382'Information recording medium comprising recording layer capable of recording under-exposure to recording laser beam'1995 5,420,846'Recording medium having a plurality of nonlinear transmission characteristics'1995 5,414,451'Three-dimensional recording and reproducing apparatus'1995 5,404,348'Method for recording and reproducing information using at least two energy beams'1995 5,373,491'Wavelength-multiple optical recording medium'1994 5,368,986'Information recording media, manufacturing method for the same, and information recording method'1994 5,293,567'Optical recording method'1994 5,257,256'Recording waveform for mark-length modulation optical recording'1993 5,235,591'Stack type optical disc apparatus, sealed and separate type optical head therefor and optical disc medium'1993 5,123,007'Method for recording, reproducing and erasing information and thin film for recording information'1992 5,084,857'Information recording method using a modulated recording beam at high, intermediate and low power levels'1992 5,073,243'Method for producing an optical recording medium'1991 5,038,338'Recording waveform for mark-length modulation optical recording'1991 4,984,231'Optical information phase change recording medium having double protective layer'1991 4,982,396'Information recording medium and apparatus using reversible phase change'1991 4,954,379'Information recording thin film and method for recording information'1990 4,908,813'Wavelength multiplexing optical recording apparatus'1990 4,908,250'Optical recording medium and production method thereof'1990 4,866,672'Information-recording thin film and method for recording and reproducing information'1989 4,855,951'Method for erasing recording in a PHB memory'1989 4,817,053'Apparatus for storing and retrieving information using an electron beam'1989 4,806,952'Information recording apparatus for recording/reproducing information by irradiating an information recording medium with an energy beam'1989 4,769,311'Information recording member'1988 4,668,573'Thin film for recording data'1987 4,637,976'Information recording member'1987 4,434,429'Information recording member and method of fabricating the same'1984 4,407,880'Substrate of member for recording information with light and method of manufacturing the same'1983 4,400,707'Recording medium'1983 4,385,305'Recording member'1983 4,357,616'Recording medium'1982 4,348,461'Recording member'1982 4,307,319'Semiconductor layer of oxygen depletion type cerium oxide or lead oxide'1981 4,296,419'Member for recording information'1981 4,238,803'Information recording methods using lasers'1980 4,043,748'Evaporation boats for use in vapor deposition'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–2013Patents assigned to HITACHI LTD (148)· patent assignee history

1977–2011Based in Tokyo, JP· patent location history

1982–2013Based in Hinode, JP· patent location history

1987–2006Based in Nishitama-gun, JP· patent location history

1990–2006Patents assigned to HITACHI MAXELL (73)· patent assignee history

2010–2013Patents assigned to RENESAS ELECTRONICS CORP (5)· patent assignee history

2012–2013Patents assigned to TERAO MOTOYASU (7)· patent assignee history

2012–2013Patents assigned to TAKAURA NORIKATSU (5)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI LTD	148	1977–2013
HITACHI MAXELL	73	1990–2006
TERAO MOTOYASUself	7	2012–2013
RENESAS ELECTRONICS CORP	5	2010–2013
TAKAURA NORIKATSU	5	2012–2013

Locations

Location	Patents	Span
Tokyo, JP	102	1977–2011
Hinode, JP	68	1982–2013
Nishitama-gun, JP	9	1987–2006