Inventor
Eiji Muramatsu
Inventor
Tokorozawa, JP
Overview
Patents· 119 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 transducer45%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein7%
H05KPrinted circuits6%
Y10TTechnical subjects covered by former us classification6%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h106%
H04NPictorial communication, e.g. television4%
B60LPropulsion of electrically-propelled vehicles3%
Y02TClimate change mitigation technologies related to transportation3%
B60WConjoint control of vehicle sub-units of different type or different function2%
G06KGraphical data reading2%
PatentTitleYear
10,708,561POS terminal, information processing device, white balance adjustment method, and recording medium202010,423,946POS terminal device, commodity recognition method, and non-transitory computer readable medium storing program201910,318,945POS-terminal device20199,073,449'Efficiency map generating apparatus, efficiency map generating method, and program'20159,045,057'Efficiency map generating apparatus, efficiency map generating method, and program'20159,014,897'Torque distribution apparatus, torque distribution method, torque distribution value generation method, and program'20158,935,032'Torque distribution apparatus, torque distribution method, torque distribution value generation method, and program'20158,849,538'Torque distribution apparatus, torque distribution method, torque distribution value generation method, and program'20148,428,434'Video reproducing apparatus, video display system and record medium'20138,412,266'Portable terminal device, image display system, image display method, and computer-readable storage medium'20138,345,036'Display method, display system, mobile communication terminal, and display controller'20138,331,213'Information recording medium, information reproducing device and method, and apparatus and method for manufacturing information recording medium'20128,257,813'Information recording medium'20128,249,424'Information recording medium in which groove tracks are wobbled by frequency 2n times wobble frequency of standard'20128,203,927'Information recording medium, information recording apparatus and method, and computer program'20128,194,516'Information recording apparatus and method'20128,184,954'Information recording medium in which one land pre-pit is formed in each group unit of wobbles formed by each “N†cycles of wobbles'20128,125,880'Information recording apparatus and method, computer program'20128,110,272'Information recording medium'20128,089,840'Reproduction system'20128,031,581'Optical disc and optical disc device'20118,018,802'Information recording medium, information recording apparatus and method, and computer program'20117,948,859'Information recording medium, information recording device and method, information reproducing device and method, information recording/reproducing device and recording method, and computer program'20117,911,932'Information recording layer of optical disc, optical disc and disc device'20117,911,933'Information recording layer of optical disc and optical disc'20117,885,162'Information recording device and method, and recording control computer program'20117,885,157'Information recording medium, apparatus, and method using management information identifying whether or not embossed pits are formed in a predetermined recording area'20117,800,999'Information recording medium, information recording device and method, and computer program'20107,801,015'Optical recording medium having physical and logical position information of buffer areas'20107,791,997'Information recording medium and information recording device and method'20107,768,899'Optical recording medium having management area for replicating pre-record flag'20107,768,901'Optical disc'20107,760,589'Information recording apparatus and method, and computer program for recording control'20107,719,943'Information recording device and information recording method'20107,721,097'Information recording medium, and information recording apparatus and method'20107,636,282'Information recording apparatus and method, and information recording medium'20097,609,595'Defining from a first recording speed a second recording speed for recording on an information recording medium'20097,603,027'Information recording medium, information recording device and method, information recording/reproducing device and method, and computer program'20097,586,823'Information recording apparatus and information recording method'20097,577,065'Information recording device and method, and computer program'20097,564,759'Recording pulse generating apparatus and information recording apparatus'20097,551,831'Information recording medium and information recorder'20097,548,503'Recording medium, information recording apparatus, information recording method, information recording medium, and recording program'20097,539,113'Information recording apparatus and computer program'20097,532,557'Recording pulse generating apparatus and information recording apparatus'20097,529,163'Information recording apparatus and method, and computer program'20097,474,601'Information recording apparatus and information recording method'20097,440,369'Information recording device and method, and computer program'20087,385,892'Recording medium, information recording apparatus, information recording method, information recording medium, and recording program'20087,379,399'Optical disc, and reading system and manufacturing method of the disc'20087,349,316'Information recording apparatus and information recording method'20087,301,873'Information recording medium, information recording device and method therefor, and computer program product and storage medium therefor'20077,274,644'Information recording device and information recording method'20077,260,052'Information recording medium'20077,231,731'Information record medium having two phase pit areas of mutually different depths and groove track area'20077,230,906'Optical recording medium including a divided track with basic portion and extension portion'20077,230,899'Rewritable type optical disc including recording marks over break portions of recording tracks, manufacturing method and manufacturing system therefor'20077,177,263'Recording medium and apparatus and method for manufacturing the same'20077,161,888'Information recording device and information recording method'20077,139,230'Information recording apparatus and information recording method'20067,126,655'Liquid crystal display device and electronic device using the same'20067,092,351'Optical recording medium, optical recording medium producing apparatus and optical recording medium producing method'20066,954,249'Liquid crystal display device, method of manufacturing the same, and electronic equipment'20056,952,393'Recording medium and a recording system for the recording medium'20056,930,969'Optical recording medium applicable for improved servo control'20056,850,690'Information recording apparatus, information recording and reproducing apparatus and record medium'20056,837,072'Rewritable optical recording medium and manufacturing method and apparatus therefor'20056,819,376'Liquid crystal display device with a light-shielding portion'20046,813,237'Optical recording medium having a plurality of meandering groove tracks, optical recording medium producing apparatus and optical recording medium producing method'20046,785,220'Optical recording medium having mark and space portions based on frequency band of RF signal'20046,766,403'CPU system with high-speed peripheral LSI circuit'20046,741,548'Optical disc, and method of and apparatus for recording signal onto the same'20046,687,214'Recording medium and apparatus and method for manufacturing the same'20046,687,213'Optical recording medium having pre-formed land-prepits and method for producing same'20046,679,430'Recording medium and apparatus and method for manufacturing the same'20046,675,470'Method for manufacturing an electro-optical device'20046,646,708'Electrooptic device, manufacturing method therefor with visual confirmation of compression bonding to terminals and electronic apparatus'20036,630,082'Optical disc, and reading system and manufacturing method of the disc'20036,618,350'Rewritable optical recording medium and manufacturing method and apparatus therefor'20036,599,607'Optical recording medium'20036,594,224'Optical disc, and method of and apparatus for recording signal onto the same'20036,553,177'Information recording and reproducing system'20036,542,374'Circuit board, method for manufacturing the circuit board, and display device and electronic equipment employing the circuit board'20036,535,477'Optical recording medium having groove and land tracks, and method of manufacturing the same'20036,532,206'Information record medium with a record/reproduction area and a reproduction-dedicated area'20036,504,814'Optical disc, and reading system and manufacturing method of the disk'20036,493,313'Recording medium having grooves and prepits and a recording system for the recording medium'20026,480,448'Disc player'20026,327,237'Optical pickup for recording or reproducing system'20016,309,902'Method for coating semiconductor element with resin, coating resin, and liquid crystal display device'20016,310,847'Optical disc, and reading system and manufacturing method of the disc'20016,303,874'Electronic parts module and electronic equipment'20016,266,313'Optical pickup for recording or reproducing system'20016,222,597'Liquid crystal device and electronic apparatus therewith'20016,191,838'Circuit board connecting structure, electro-optical device, electronic apparatus provided with the same, and manufacturing method for electro-optical device'20016,181,657'Optical disc, and reading system and manufacturing method of the disc'20016,181,672'Recording medium and a recording system for the recording medium'20016,151,091'Liquid crystal display device including film'20006,128,063'Liquid crystal display apparatus having multi-layer substrate'20006,067,283'Optical pickup'20006,058,093'Pre-pit detecting apparatus'20005,986,342'Liquid crystal display apparatus structure for mounting semiconductor device'19995,949,751'Optical recording medium and a method for reproducing information recorded from same'19995,949,749'Optical disk, reproducing device and recording device therefor'19995,926,453'Optical disk having first and second recording areas with wobble frequencies that do not interfere with EFM signal'19995,893,623'Structure and method for mounting semiconductor devices, and liquid crystal display'19995,768,232'Information reproducing apparatus for optical disc'19985,737,272'Liquid crystal display apparatus, structure for mounting semiconductor device, method of mounting semiconductor device, electronic optical apparatus and electronic printing apparatus'19985,708,636'Tracking error signal generation device'19985,675,564'Information reproducing apparatus for optical disc having a tilt detector therein'19975,592,463'Apparatus for and method for determining optimum power for recording information on recordable optical disc'19975,427,641'Method of forming a mounting structure on a tape carrier'19955,389,191'Mounting apparatus for deploying an electronic component mounts formed on a tape carrier'19955,233,466'Astigmatism generating device'19935,187,697'Method of reading recorded information from information storage medium with tracks'19935,177,596'Electronic component mounting structures for FPC tape carrier and methods of separation and application'19935,177,729'Method and apparatus for reading information on information recording medium having track structure'19935,109,370'Information reading device for information recording medium having track structure'19924,427,771'Assay method for amylase activity and method of producing maltose dehydrogenase for use therein'1984Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992–2005Patents assigned to PIONEER ELECTRONIC CORP (21)· patent assignee history
1992–2012Based in Tokorozawa, JP· patent location history
1993–2006Patents assigned to SEIKO EPSON CORP (18)· patent assignee history
1993–2012Based in Saitama, JP· patent location history
1993–2006Based in Suwa, JP· patent location history
2000–2005Based in Toyoshina-machi, JP· patent location history
2001–2015Patents assigned to PIONEER CORP (73)· patent assignee history
2004–2020Based in Tokyo, JP· patent location history
2012–2015Patents assigned to MURAMATSU EIJI (17)· patent assignee history
2012–2015Patents assigned to KATO MASAHIRO (12)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PIONEER CORP | 73 | 2001–2015 |
| PIONEER ELECTRONIC CORP | 21 | 1992–2005 |
| SEIKO EPSON CORP | 18 | 1993–2006 |
| MURAMATSU EIJIself | 17 | 2012–2015 |
| KATO MASAHIRO | 12 | 2012–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokorozawa, JP | 43 | 1992–2012 |
| Saitama, JP | 42 | 1993–2012 |
| Suwa, JP | 9 | 1993–2006 |
| Tokyo, JP | 8 | 2004–2020 |
| Toyoshina-machi, JP | 5 | 2000–2005 |