Inventor · disambiguated record
Eiji Koyama
Also filed as: KOYAMA EIJI
46 granted patents·11 pending applications·517 citations·filing 1990–2014
98Inventor score
Top patents by PatentIndex Score
57 records- 0190US5401610AOptical discHITACHI LTD·Filed 1993·Granted Mar 28, 1995·31 cites·4 claims
- 0289US6534206B1Information recording media and information recording driveHITACHI LTD·Filed 2000·Granted Mar 18, 2003·24 cites·1 claims
- 0389US6472047B1Magnetic recording diskHITACHI LTD·Filed 2000·Granted Oct 29, 2002·23 cites·11 claims
- 0488US6410133B1Magnetic recording disk, method of the magnetic recording disk and magnetic recording apparatusHITACHI LTD·Filed 2000·Granted Jun 25, 2002·21 cites·6 claims
- 0587US7670031B2Lighting device and display apparatusHITACHI MAXELL·Filed 2007·Granted Mar 2, 2010·16 cites·10 claims
- 0685US6749955B2Information recording media and information recording driveHITACHI LTD·Filed 2003·Granted Jun 15, 2004·16 cites·7 claims
- 0780US7557848B2Solid-state image pickup device including switched capacitor amplifierSHARP KK·Filed 2005·Granted Jul 7, 2009·6 cites·2 claims
- 0880US6700852B1Information recording medium with recording film with cobalt oxide crystalline particles, and information recording device including the sameHITACHI LTD·Filed 2000·Granted Mar 2, 2004·12 cites·8 claims
- 0979US6734908B1Correlated double sampling circuit and amplification type solid state imaging device employing the sameSHARP KK·Filed 2000·Granted May 11, 2004·18 cites·12 claims
- 1077US7667754B2Amplifying solid-state imaging deviceSHARP KK·Filed 2005·Granted Feb 23, 2010·5 cites·6 claims
- 1177US7268331B2Solid-state imaging device, method for driving the same, and cameraSHARP KK·Filed 2004·Granted Sep 11, 2007·22 cites·18 claims
- 1277US5323052AImage pickup device with wide angular responseSHARP KK·Filed 1992·Granted Jun 21, 1994·45 cites·3 claims
- 1376US7476837B2Amplifying-type solid-state imaging deviceSHARP KK·Filed 2008·Granted Jan 13, 2009·4 cites·12 claims
- 1476US6746749B2Magnetic recording diskHITACHI LTD·Filed 2002·Granted Jun 8, 2004·9 cites·4 claims
- 1575US5244775AMethod of manufacturing an optical discHITACHI LTD·Filed 1992·Granted Sep 14, 1993·13 cites·18 claims
- 1673US5306906ASolid-state imaging device having a plurality of charge transfer electrodes formed in a serpentine patternSHARP KK·Filed 1993·Granted Apr 26, 1994·42 cites·6 claims
- 1772US7015521B2Solid-state imaging device and driving method of the sameSHARP KK·Filed 2004·Granted Mar 21, 2006·10 cites·14 claims
- 1872US6844092B2Optically functional element and production method and application thereforHITACHI LTD·Filed 2003·Granted Jan 18, 2005·10 cites·3 claims
- 1971US7573016B2Amplification type solid-state imaging deviceSHARP KK·Filed 2006·Granted Aug 11, 2009·3 cites·9 claims
- 2070US7061530B2Semiconductor integrated circuitSHARP KK·Filed 2001·Granted Jun 13, 2006·9 cites·2 claims
- 2169US5783320AMagneto-optical recording medium and process for producing the sameHITACHI MAXELL·Filed 1997·Granted Jul 21, 1998·18 cites·27 claims
- 2268US7818973B2Air-conditioning system and method of installing energy recovery apparatusHITACHI IND EQUIPMENT SYS·Filed 2007·Granted Oct 26, 2010·3 cites·13 claims
- 2365US5543271AOptical recording and reproduction apparatusHITACHI LTD·Filed 1995·Granted Aug 6, 1996·10 cites·26 claims
- 2464US9733447B2Imaging module and manufacturing method thereforSHARP KK·Filed 2014·Granted Aug 15, 2017·2 cites·5 claims
- 2564US6790502B1Optically functional element and production method and application thereforHITACHI LTD·Filed 1999·Granted Sep 14, 2004·27 cites·8 claims
- 2661US7705899B2Amplification type solid-state image pickup device driving methodSHARP KK·Filed 2007·Granted Apr 27, 2010·4 cites·1 claims
- 2761US6465151B1Method of manufacturing optical discsHITACHI LTD·Filed 2000·Granted Oct 15, 2002·2 cites·13 claims
- 2861US6316760B1Solid-state imaging apparatusSHARP KK·Filed 1999·Granted Nov 13, 2001·24 cites·3 claims
- 2961US5234792AOptical data recording medium and manufacturing method thereofHITACHI MAXELL·Filed 1992·Granted Aug 10, 1993·11 cites·19 claims
- 3060US5637411AMagneto-optical recording medium and process for producing the sameHITACHI MAXELL·Filed 1994·Granted Jun 10, 1997·11 cites·13 claims
- 3157US6573025B2Optical discHITACHI LTD·Filed 2002·Granted Jun 3, 2003·1 cites·3 claims
- 3254US5132152AOptical recording medium and method for manufacturing the sameHITACHI MAXELL·Filed 1990·Granted Jul 21, 1992·10 cites·16 claims
- 3351US5786713ADriver circuit and a method for generating a driving signalSHARP KK·Filed 1996·Granted Jul 28, 1998·11 cites·19 claims
- 3450US7368773B2Photodetector device, solid-state imaging device, and camera systemSHARP KK·Filed 2004·Granted May 6, 2008·0 cites·13 claims
- 3550US6897823B2Plane antenna and method for manufacturing the sameHITACHI MAXELL·Filed 2002·Granted May 24, 2005·7 cites·8 claims
- 3649US5990951ASolid-state imaging device and method for driving the sameSHARP KK·Filed 1997·Granted Nov 23, 1999·13 cites·9 claims
- 3749US5906907AOptical discHITACHI LTD·Filed 1997·Granted May 25, 1999·4 cites·29 claims
- 3847US2004246356A1Solid-state imaging device and method for driving the sameFiled 2004·Application pending·0 cites
- 3946US8368839B2Optical adjusting member and illumination device and liquid crystal display device including the sameHITACHI MAXELL·Filed 2008·Granted Feb 5, 2013·0 cites·22 claims
- 4046US7296429B2Air-conditioning system and method of installing energy recovery apparatusHITACHI IND EQUIPMENT SYS·Filed 2004·Granted Nov 20, 2007·3 cites·6 claims
- 4146US7176971B2Solid-state image pickup device and electronic information apparatusSHARP KK·Filed 2003·Granted Feb 13, 2007·0 cites·18 claims
- 4246US6944117B2Information recording medium and information recording deviceHITACHI LTD·Filed 2003·Granted Sep 13, 2005·0 cites·12 claims
- 4346US2011157521A1Liquid crystal displayHITACHI MAXELL·Filed 2009·Application pending·0 cites
- 4446US2006232580A1Amplifying solid-state imaging deviceSHARP KK·Filed 2006·Application pending·0 cites
- 4545US2003151686A1Solid-state image pickup device, defective pixel conversion method, defect correction method, and electronic information apparatusSHARP KK·Filed 2003·Application pending·0 cites
- 4644US5686227AOptical reproduction apparatusHITACHI LTD·Filed 1996·Granted Nov 11, 1997·3 cites·26 claims
- 4744US2008259248A1Multilens member, illumination apparatus, and liquid crystal display apparatusHITACHI MAXELL·Filed 2008·Application pending·0 cites
- 4843US2002110707A1Magnetic recording disk, method of the magnetic recording disk and magnetic recording apparatusFiled 2002·Application pending·0 cites
- 4943US2005161712A1Amplification type solid-state image pickup device and driving method thereforSHARP KK·Filed 2005·Application pending·0 cites
- 5042US2008303777A1Optical adjusting member, and illumination device and liquid crystal display device including the sameINOUE KAZUKO·Filed 2008·Application pending·0 cites
Showing the top 50 of 57 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →