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.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →