Inventor · disambiguated record
Koichi Takahashi
Also filed as: HASE TAKASHI · HAYAKAWA YOSHIKAZU · TAKAHASHI KOICHI
238 granted patents·39 pending applications·5,262 citations·filing 1974–2025
99Inventor score
Top patents by PatentIndex Score
277 records- 0199US5699194AImage display apparatus comprising an internally reflecting ocular optical systemOLYMPUS OPTICAL CO·Filed 1996·Granted Dec 16, 1997·430 cites·34 claims
- 0299US5231439APhotographic film handling methodFUJI PHOTO FILM CO LTD·Filed 1991·Granted Jul 27, 1993·98 cites·26 claims
- 0398US5701202AHead or face mounted image display apparatusOLYMPUS OPTICAL CO·Filed 1995·Granted Dec 23, 1997·216 cites·33 claims
- 0497US11355809B2Vehicle substructure for battery caseHONDA MOTOR CO LTD·Filed 2020·Granted Jun 7, 2022·6 cites·2 claims
- 0596US3978829ASelf-adjustable camshaft drive mechanismNISSAN MOTOR·Filed 1975·Granted Sep 7, 1976·92 cites·11 claims
- 0695US10444481B2Prism optical system, prism optical system-incorporated image display apparatus, and prism optical system-incorporated imaging apparatusOLYMPUS CORP·Filed 2017·Granted Oct 15, 2019·15 cites·11 claims
- 0794US6791117B2Semiconductor light emission device and manufacturing method thereofTOSHIBA KK·Filed 2003·Granted Sep 14, 2004·156 cites·17 claims
- 0894US6677539B2Load sensor equipped with strain-generating member having strain elements with tube spacer for eliminating clamping forceALPS ELECTRIC CO LTD·Filed 2001·Granted Jan 13, 2004·77 cites·7 claims
- 0994US6195207B1Head or face mounted image display apparatusOLYMPUS OPTICAL CO·Filed 2000·Granted Feb 27, 2001·52 cites·14 claims
- 1094US6124977AImage display apparatusOLYMPUS OPTICAL CO·Filed 1998·Granted Sep 26, 2000·135 cites·21 claims
- 1194US4962401AFilm cartridgeFUJI PHOTO FILM CO LTD·Filed 1989·Granted Oct 9, 1990·42 cites·10 claims
- 1293US7808197B2Control apparatus for opening/closing member of vehicle and control method for opening/closing member of vehicleAISIN SEIKI·Filed 2007·Granted Oct 5, 2010·28 cites·20 claims
- 1393US7113349B2Decentering optical system and optical system using the sameOLYMPUS CORP·Filed 2005·Granted Sep 26, 2006·32 cites·7 claims
- 1492US9985924B2Posting content to social mediumIBM·Filed 2016·Granted May 29, 2018·6 cites·7 claims
- 1592US9961038B2Posting content to social mediumIBM·Filed 2015·Granted May 1, 2018·7 cites·6 claims
- 1692US8250455B2Assisting document creationKADOWAKI ISAO·Filed 2010·Granted Aug 21, 2012·26 cites·34 claims
- 1792US6760169B2Prism optical element, image observation apparatus and image display apparatusOLYMPUS CORP·Filed 2002·Granted Jul 6, 2004·51 cites·18 claims
- 1892US6748418B1Technique for permitting collaboration between web browsers and adding content to HTTP messages bound for web browsersIBM·Filed 2000·Granted Jun 8, 2004·133 cites·11 claims
- 1992US5875056AHead or face mounted image display apparatusOLYMPUS OPTICAL CO·Filed 1997·Granted Feb 23, 1999·77 cites·24 claims
- 2092US5587836AVisual display apparatusOLYMPUS OPTICAL CO·Filed 1994·Granted Dec 24, 1996·109 cites·12 claims
- 2191US10615385B2Battery packHONDA MOTOR CO LTD·Filed 2018·Granted Apr 7, 2020·6 cites·20 claims
- 2291US7151596B2Deflection angle detecting deviceOLYMPUS OPTICAL CO·Filed 2003·Granted Dec 19, 2006·31 cites·38 claims
- 2391US7113269B2Angle measuring device, optical switching system, and information recording/replaying systemOLYMPUS CORP·Filed 2003·Granted Sep 26, 2006·31 cites·33 claims
- 2491US6975389B2Deflection angle measuring device, optical signal switching system, information recording and replaying system, deflection angle measuring method, and optical signal switching methodOLYMPUS CORP·Filed 2003·Granted Dec 13, 2005·30 cites·45 claims
- 2591US6018423AOptical system and optical apparatusOLYMPUS OPTICAL CO·Filed 1998·Granted Jan 25, 2000·71 cites·42 claims
- 2690US10829157B2Vehicle body structureHONDA MOTOR CO LTD·Filed 2018·Granted Nov 10, 2020·7 cites·4 claims
- 2790US8622542B2Image display apparatusTAKAHASHI KOICHI·Filed 2011·Granted Jan 7, 2014·11 cites·12 claims
- 2890US6900473B2Surface-emitting semiconductor light deviceTOSHIBA KK·Filed 2002·Granted May 31, 2005·103 cites·21 claims
- 2990US5726807ASmall light weight head-mounted or face-mounted image display apparatusOLYMPUS OPTICAL CO·Filed 1995·Granted Mar 10, 1998·101 cites·35 claims
- 3090US5070468APlant fault diagnosis systemMITSUBISHI HEAVY IND LTD·Filed 1990·Granted Dec 3, 1991·107 cites·14 claims
- 3189US10388923B2Vehicle battery unitTAKAHASHI KOICHI·Filed 2011·Granted Aug 20, 2019·9 cites·8 claims
- 3289US5271577APhotographic film cassetteFUJI PHOTO FILM CO LTD·Filed 1992·Granted Dec 21, 1993·28 cites·9 claims
- 3388US11837023B2Detection system, detection method, and computer programNEC CORP·Filed 2020·Granted Dec 5, 2023·2 cites·7 claims
- 3488US8337015B2Spectacles-mounted display deviceSUGIHARA RYOHEI·Filed 2010·Granted Dec 25, 2012·10 cites·21 claims
- 3588US8314175B2Aqueous composition for recording medium, and ink-jet recording medium using the sameTAKAHASHI KOICHI·Filed 2008·Granted Nov 20, 2012·7 cites·4 claims
- 3688US5909325AImage display apparatusOLYMPUS OPTICAL CO·Filed 1996·Granted Jun 1, 1999·91 cites·14 claims
- 3788US5751494AImage display apparatusOLYMPUS OPTICAL LTD·Filed 1996·Granted May 12, 1998·87 cites·26 claims
- 3887US10560420B2Posting content to social mediumIBM·Filed 2018·Granted Feb 11, 2020·3 cites·8 claims
- 3987US9337166B2Wire bonding apparatus and bonding methodSHINKAWA KK·Filed 2013·Granted May 10, 2016·9 cites·10 claims
- 4087US6535678B1Multimode optical fiber with a higher order mode removing functionFUJIKURA LTD·Filed 2000·Granted Mar 18, 2003·37 cites·20 claims
- 4187US6317267B1Head or face mounted image display apparatusOLYMPUS OPTICAL CO·Filed 1999·Granted Nov 13, 2001·54 cites·11 claims
- 4287US5793339AVisual display apparatusOLYMPUS OPTICAL CO·Filed 1994·Granted Aug 11, 1998·79 cites·18 claims
- 4387US5278600APhotographic film cassetteFUJI PHOTO FILM CO LTD·Filed 1991·Granted Jan 11, 1994·29 cites·12 claims
- 4487US2025363829A1Liveness detection apparatus, control method, and computer-readable mediumNEC CORP·Filed 2025·Application pending·0 cites
- 4587US2025363830A1Liveness detection apparatus, control method, and computer-readable mediumNEC CORP·Filed 2025·Application pending·0 cites
- 4686US10442283B2Vehicle body structureHONDA MOTOR CO LTD·Filed 2018·Granted Oct 15, 2019·5 cites·8 claims
- 4786US7196315B2Eccentric optical system and optical apparatus using sameOLYMPUS CORP·Filed 2004·Granted Mar 27, 2007·30 cites·20 claims
- 4886US6765730B2Dispersion compensator and dispersion compensating systemOLYMPUS OPTICAL CO·Filed 2003·Granted Jul 20, 2004·30 cites·39 claims
- 4986US5745295AImage display apparatusOLYMPUS OPTICAL CO·Filed 1996·Granted Apr 28, 1998·66 cites·19 claims
- 5085US8724229B2Decentered optical system, and image display apparatus and imaging apparatus using the decentered optical systemTAKAHASHI KOICHI·Filed 2012·Granted May 13, 2014·7 cites·10 claims
Showing the top 50 of 277 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →