Inventor · disambiguated record
Eiji Muramatsu
Also filed as: MURAMATSU EIJI
121 granted patents·47 pending applications·1,336 citations·filing 1981–2025
99Inventor score
Top patents by PatentIndex Score
168 records- 0196US6535477B1Optical recording medium having groove and land tracks, and method of manufacturing the samePIONEER CORP·Filed 2000·Granted Mar 18, 2003·55 cites·41 claims
- 0294US6618350B2Rewritable optical recording medium and manufacturing method and apparatus thereforPIONEER CORP·Filed 2001·Granted Sep 9, 2003·50 cites·5 claims
- 0392US6675470B2Method for manufacturing an electro-optical deviceSEIKO EPSON CORP·Filed 2000·Granted Jan 13, 2004·52 cites·9 claims
- 0491US6191838B1Circuit board connecting structure, electro-optical device, electronic apparatus provided with the same, and manufacturing method for electro-optical deviceSEIKO EPSON CORP·Filed 1999·Granted Feb 20, 2001·98 cites·33 claims
- 0588US5737272ALiquid crystal display apparatus, structure for mounting semiconductor device, method of mounting semiconductor device, electronic optical apparatus and electronic printing apparatusSEIKO EPSON CORP·Filed 1993·Granted Apr 7, 1998·92 cites·28 claims
- 0687US5926453AOptical disk having first and second recording areas with wobble frequencies that do not interfere with EFM signalPIONEER ELECTRONIC CORP·Filed 1994·Granted Jul 20, 1999·41 cites·8 claims
- 0786US6532206B2Information record medium with a record/reproduction area and a reproduction-dedicated areaPIONEER CORP·Filed 2001·Granted Mar 11, 2003·19 cites·9 claims
- 0886US6181657B1Optical disc, and reading system and manufacturing method of the discPIONEER ELECTRONIC CORP·Filed 1996·Granted Jan 30, 2001·32 cites·8 claims
- 0986US5592463AApparatus for and method for determining optimum power for recording information on recordable optical discPIONEER ELECTRONIC CORP·Filed 1994·Granted Jan 7, 1997·40 cites·6 claims
- 1085US7801015B2Optical recording medium having physical and logical position information of buffer areasPIONEER CORP·Filed 2007·Granted Sep 21, 2010·6 cites·16 claims
- 1185US7139230B2Information recording apparatus and information recording methodPIONEER CORP·Filed 2002·Granted Nov 21, 2006·16 cites·22 claims
- 1285US5893623AStructure and method for mounting semiconductor devices, and liquid crystal displaySEIKO EPSON CORP·Filed 1994·Granted Apr 13, 1999·71 cites·37 claims
- 1384US6646708B1Electrooptic device, manufacturing method therefor with visual confirmation of compression bonding to terminals and electronic apparatusSEIKO EPSON CORP·Filed 2000·Granted Nov 11, 2003·26 cites·34 claims
- 1484US6594224B2Optical disc, and method of and apparatus for recording signal onto the samePIONEER CORP·Filed 2001·Granted Jul 15, 2003·16 cites·45 claims
- 1582US11971487B2Feature data structure, control device, storage device, control method, program and storage mediumPIONEER CORP·Filed 2016·Granted Apr 30, 2024·2 cites·15 claims
- 1681US8935032B2Torque distribution apparatus, torque distribution method, torque distribution value generation method, and programKATO MASAHIRO·Filed 2011·Granted Jan 13, 2015·6 cites·7 claims
- 1781US6599607B1Optical recording mediumPIONEER CORP·Filed 2000·Granted Jul 29, 2003·15 cites·6 claims
- 1880US7791997B2Information recording medium and information recording device and methodPIONEER CORP·Filed 2005·Granted Sep 7, 2010·4 cites·9 claims
- 1980US6813237B2Optical recording medium having a plurality of meandering groove tracks, optical recording medium producing apparatus and optical recording medium producing methodPIONEER CORP·Filed 2001·Granted Nov 2, 2004·13 cites·10 claims
- 2080US5708636ATracking error signal generation devicePIONEER ELECTRONIC CORP·Filed 1996·Granted Jan 13, 1998·41 cites·6 claims
- 2180US2025180748A1Feature data structure, control device, storage device, control method, program and storage mediumPIONEER CORP·Filed 2024·Application pending·0 cites
- 2278US7721097B2Information recording medium, and information recording apparatus and methodPIONEER CORP·Filed 2006·Granted May 18, 2010·7 cites·2 claims
- 2377US8849538B2Torque distribution apparatus, torque distribution method, torque distribution value generation method, and programKATO MASAHIRO·Filed 2011·Granted Sep 30, 2014·7 cites·7 claims
- 2477US7474601B2Information recording apparatus and information recording methodPIONEER CORP·Filed 2007·Granted Jan 6, 2009·2 cites·8 claims
- 2577US7349316B2Information recording apparatus and information recording methodPIONEER CORP·Filed 2006·Granted Mar 25, 2008·2 cites·5 claims
- 2675US7564759B2Recording pulse generating apparatus and information recording apparatusPIONEER CORP·Filed 2005·Granted Jul 21, 2009·2 cites·6 claims
- 2774US6181672B1Recording medium and a recording system for the recording mediumPIONEER CORP·Filed 1999·Granted Jan 30, 2001·19 cites·4 claims
- 2874US6058093APre-pit detecting apparatusPIONEER ELECTRONIC CORP·Filed 1999·Granted May 2, 2000·26 cites·16 claims
- 2973US6128063ALiquid crystal display apparatus having multi-layer substrateSEIKO EPSON CORP·Filed 1997·Granted Oct 3, 2000·38 cites·4 claims
- 3072US7800999B2Information recording medium, information recording device and method, and computer programPIONEER CORP·Filed 2005·Granted Sep 21, 2010·2 cites·5 claims
- 3172US7539113B2Information recording apparatus and computer programPIONEER CORP·Filed 2005·Granted May 26, 2009·2 cites·13 claims
- 3272US7529163B2Information recording apparatus and method, and computer programPIONEER CORP·Filed 2005·Granted May 5, 2009·2 cites·16 claims
- 3372US7231731B2Information record medium having two phase pit areas of mutually different depths and groove track areaPIONEER CORP·Filed 2002·Granted Jun 19, 2007·7 cites·11 claims
- 3472US6952393B2Recording medium and a recording system for the recording mediumPIONEER CORP·Filed 2002·Granted Oct 4, 2005·6 cites·9 claims
- 3572US6542374B1Circuit board, method for manufacturing the circuit board, and display device and electronic equipment employing the circuit boardSEIKO EPSON CORP·Filed 1999·Granted Apr 1, 2003·42 cites·27 claims
- 3672US6151091ALiquid crystal display device including filmSEIKO EPSON CORP·Filed 1998·Granted Nov 21, 2000·41 cites·12 claims
- 3772US4427771AAssay method for amylase activity and method of producing maltose dehydrogenase for use thereinTOYO JOZO KK·Filed 1981·Granted Jan 24, 1984·25 cites·8 claims
- 3871US6222597B1Liquid crystal device and electronic apparatus therewithSEIKO EPSON CORP·Filed 1999·Granted Apr 24, 2001·40 cites·10 claims
- 3970US7532557B2Recording pulse generating apparatus and information recording apparatusPIONEER CORP·Filed 2007·Granted May 12, 2009·1 cites·7 claims
- 4070US6480448B1Disc playerPIONEER CORP·Filed 1999·Granted Nov 12, 2002·21 cites·17 claims
- 4170US6067283AOptical pickupPIONEER ELECTRONIC CORP·Filed 1998·Granted May 23, 2000·21 cites·8 claims
- 4269US7548503B2Recording medium, information recording apparatus, information recording method, information recording medium, and recording programPIONEER CORP·Filed 2005·Granted Jun 16, 2009·1 cites·6 claims
- 4369US6327237B2Optical pickup for recording or reproducing systemPIONEER ELECTRONIC CORP·Filed 2001·Granted Dec 4, 2001·6 cites·4 claims
- 4468US10423946B2POS terminal device, commodity recognition method, and non-transitory computer readable medium storing programNEC CORP·Filed 2014·Granted Sep 24, 2019·1 cites·13 claims
- 4568US8018802B2Information recording medium, information recording apparatus and method, and computer programPIONEER CORP·Filed 2006·Granted Sep 13, 2011·1 cites·13 claims
- 4668US6741548B2Optical disc, and method of and apparatus for recording signal onto the samePIONEER CORP·Filed 2003·Granted May 25, 2004·5 cites·15 claims
- 4767US8345036B2Display method, display system, mobile communication terminal, and display controllerNEC CORP·Filed 2007·Granted Jan 1, 2013·1 cites·17 claims
- 4867US7301873B2Information recording medium, information recording device and method therefor, and computer program product and storage medium thereforPIONEER CORP·Filed 2003·Granted Nov 27, 2007·6 cites·19 claims
- 4967US6930969B2Optical recording medium applicable for improved servo controlPIONEER CORP·Filed 2001·Granted Aug 16, 2005·6 cites·3 claims
- 5067US5768232AInformation reproducing apparatus for optical discPIONEER ELECTRONIC CORP·Filed 1997·Granted Jun 16, 1998·17 cites·12 claims
Showing the top 50 of 168 patent records by PatentIndex Score.
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