LexDanaLexDanabeta
Inventor

Junichi Yoshio

Inventor
Tokorozawa, JP

Overview

95→
Patents
1983–2016
Patent span
Physics
Primary field (CPC G)

Patents· 95 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 transducer46%
H04NPictorial communication, e.g. television37%
G09BEducational or demonstration appliances6%
G10HElectrophonic musical instruments4%
H03GControl of amplification2%
H03MCoding2%
H04LTransmission of digital information, e.g. telegraphic communication2%
H04SStereophonic systems2%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests1%
PatentTitleYear
9,350,602'Communication monitor, prediction method, and recording medium'20169,253,029'Communication monitor, occurrence prediction method, and recording medium'2016RE042506'Information record medium, apparatus for recording the same and apparatus for reproducing the same'20117,840,117'Information recording medium, apparatus for recording the same and apparatus for reproducing the same'20107,783,158'Information record medium, apparatus for recording the same and apparatus for reproducing the same'20107,398,010'Information record medium, apparatus for recording the same and apparatus for reproducing the same'20087,346,270'Information record medium, apparatus for recording the same and apparatus for reproducing the same'20087,330,643'Information record medium, apparatus for recording the same and apparatus for reproducing the same'20087,295,762'Information record medium having first and second recording layers in which mid areas are recorded respectively, and apparatus for recording the same'20077,242,848'Information record medium, apparatus for recording the same and apparatus for reproducing the same'20077,181,298'Information converting method, information converting apparatus and information reproducing apparatus'20077,095,951'Information record medium and apparatus for reproducing information according to navigation information'20067,092,618'Audio information reproducing system, audio information reproducing apparatus and audio information reproducing method'2006RE039110'Information recording medium, apparatus for recording the same and apparatus for recording the same'20067,035,529'Information record medium, apparatus for recording the same and apparatus for reproducing the same'2006RE038849'Information record medium, apparatus for recording the same and apparatus for reproducing the same'20056,839,311'Information recording unit and method thereof'20056,801,482'Information record/reproduction unit and method thereof'2004RE038569'Information record medium, apparatus for recording the same and apparatus for reproducing the same'20046,778,761'Information record medium, apparatus for recording the same and apparatus for reproducing the same'20046,757,483'Information recording medium with aggregate attribute information recorded in video manager, apparatus for recording the same and apparatus for reproducing the same'20046,741,797'Information record medium, apparatus for recording the same and apparatus for reproducing the same'20046,597,861'Information record medium, apparatus for recording the same and apparatus for reproducing the same'20036,567,612'Information record medium, apparatus for recording the same and apparatus for reproducing the same'20036,501,903'Information record medium, apparatus for recording the same and apparatus for reproducing the same'20026,396,997'INFORMATION RECORD MEDIUM WHEREIN NAVIGATION INFORMATION IS RECORDED, APPARATUS FOR RECORDING INFORMATION INCLUDING NAVIGATION INFORMATION AND APPARATUS FOR REPRODUCING INFORMATION ACCORDING TO NAVIGATION INFORMATION'20026,335,910'Information recording apparatus capable of avoiding erroneous recording of information in the event of external disturbances due to movement'20026,266,478'Information record medium, apparatus for recording the same and apparatus for reproducing the same'20016,253,018'Information record medium, apparatus for recording the same and apparatus for reproducing the same'20016,236,804'Information record medium, apparatus for recording the same and apparatus for reproducing the same'20016,215,952'Information record medium, apparatus for recording the same and apparatus for reproducing the same'20016,212,330'Information record medium, apparatus for recording the same and apparatus for reproducing the same'20016,160,951'Information recording medium and information reproducing apparatus'20006,157,769'Information record medium, apparatus for recording the same and apparatus for reproducing the same'20006,148,138'Information record medium, apparatus for recording the same and apparatus for reproducing the same'20006,137,954'Information record medium, apparatus for recording the same and apparatus for reproducing the same'20006,122,434'Information recording medium, having data and management portions, and an apparatus for reproducing information from the medium'20006,108,281'Accessing control for optical recording device capable of performing time search'20006,108,486'Information record medium, apparatus for recording the same and apparatus for reproducing the same enabling easy access to information'20006,104,684'Information recording medium, with aggregate attribute information recorded in video manager apparatus for recording the same and apparatus for reproducing the same'20006,091,674'Accessing control for optical recording device capable of performing time search'20006,088,506'Information record medium, apparatus for recording the same and apparatus for reproducing the same'20006,085,021'Information recording medium apparatus for recording the same and apparatus for reproducing the same'20006,067,282'Information recording medium, apparatus for recording the same and apparatus for recording the same'20006,034,942'Information record medium, apparatus for recording the same and apparatus for reproducing the same'20006,031,962'Information record medium, apparatus for recording the same and apparatus for reproducing the same'20006,014,495'Information record medium, apparatus for recording the same and apparatus for reproducing the same'20006,006,004'Information record medium, apparatus for recording the same and apparatus for reproducing the same'19995,966,352'Information recording medium with interleaved data, apparatus for recording same and apparatus for reproducing same'19995,960,152'Information record medium, apparatus for recording the same and apparatus for reproducing the same'19995,936,925'Information record medium, apparatus for recording the same and apparatus for reproducing the same'19995,933,569'Information recording medium apparatus for recording the same and apparatus for reproducing the same'19995,889,746'Information recording medium, apparatus for recording the same and apparatus for reproducing the same'19995,805,537'Information record medium, apparatus for recording the same and apparatus for reproducing the same'19985,787,222'Information recording apparatus and information reproducing apparatus'19985,742,569'Information record medium, apparatus for recording the same and apparatus for reproducing the same'19985,729,516'Information recording medium, apparatus for recording the same and apparatus for reproducing the same'19985,446,714'Disc changer and player that reads and stores program data of all discs prior to reproduction and method of reproducing music on the same'19955,341,353'Actuator position detector, actuator position controller and track search controller'19945,282,186'Method and apparatus for recording and reproducing picture information and recording medium'19945,235,584'Apparatus for detecting a position of a light spot on an optical disc'19935,216,652'Light spot position detector'19935,159,670'Disc data display unit'19925,157,396'D/A conversion apparatus'19925,130,966'Method of recording and reproducing picture information, recording medium, and recording medium playing apparatus'19925,130,816'Method and apparatus for recording and reproducing information including plural channel audio signals'19925,105,412'Recording medium playing apparatus for correcting audio signals using an appropriate sound field'19925,097,459'Disc playing apparatus to which digital data is transmitted at a predetermined transmission rate'19925,067,119'Recording medium playing apparatus with automatic tonal response setting function'19915,065,252'Method and apparatus for recording and reproducing picture information enabling the mixing of images of a video format signal and graphic codes recorded on a single recording medium'19915,063,551'Method and apparatus of recording and reproducing picture information and recording medium'19915,043,826'Method and apparatus for recording and reproducing picture information and timely reproducing images by graphic codes'19915,016,113'Apparatus for reproducing and processing picture information including graphic codes from a recording medium'19915,012,242'Input data processor for D/A converter utilizing dithering'19915,010,417'Playback method for use in a recording medium playing apparatus using information control signals'19914,996,679'Subcode information and block identification system for a disc player'19914,994,925'Method of recording and reproducing picture information, recording medium, and recording medium playing apparatus'19914,992,885'Method of recording and reproducing audio information in correlation with divided screen graphics information'19914,989,097'Apparatus for reproducing and processing picture information from a recording medium'19914,970,602'Disk player for displaying recorded audio signals'19904,953,035'Method of recording and reproducing picture information, recording medium, and recording medium playing apparatus'19904,937,576'Dither circuit responsive to zero input signal level'19904,920,569'Digital audio signal playback system delay'19904,899,326'Magazine-housed disk player'19904,885,644'Spindle servo device for data recording disk reproducing apparatus'19894,872,068'Disk playing method resulting in reduced start-up time'19894,870,512'Data recording and reproducing device'19894,736,354'Focus servo device for detecting and compensating for disk abnormalities'19884,707,817'Method of generating tracking servo signal for optical disc playback apparatus'19874,698,795'Tracking servo device'19874,642,812'Sound field enlarging device and method'19874,616,271'Digital audio system with automatic fade in and fade out operations'19864,477,893'Tone arm device'19844,471,476'Pickup arm drive device'19844,375,092'Automatic music selecting device'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–2011Patents assigned to PIONEER ELECTRONIC CORP (86)· patent assignee history
1983–2010Based in Tokorozawa, JP· patent location history
1984–2008Based in Saitama, JP· patent location history
1991Patents assigned to PIONEER VIDEO CORP (3)· patent assignee history
1999–2002Patents assigned to PIONEER LDC INC (3)· patent assignee history
1999–2000Based in Takorozawa, JP· patent location history
2002–2007Based in Kawagoe, JP· patent location history
2005–2007Patents assigned to PIONEER CORP (4)· patent assignee history
2016Patents assigned to FUJITSU LTD (2)· patent assignee history
2016Based in Inagi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PIONEER ELECTRONIC CORP861983–2011
PIONEER CORP42005–2007
PIONEER LDC INC31999–2002
PIONEER VIDEO CORP31991
FUJITSU LTD22016
Locations
LocationPatentsSpan
Tokorozawa, JP611983–2010
Saitama, JP231984–2008
Kawagoe, JP32002–2007
Inagi, JP22016
Takorozawa, JP21999–2000