Inventor · disambiguated record
Koji Takahashi
Also filed as: AKIMOTO TAIZO · TAKAHASHI KOJI · YAJIMA KAZUO
544 granted patents·95 pending applications·9,645 citations·filing 1973–2025
99Inventor score
Top patents by PatentIndex Score
639 records- 0199US5966495ARecording and reproducing apparatusCANON KK·Filed 1997·Granted Oct 12, 1999·288 cites·46 claims
- 0299US5126851AVideo system using two different kinds of recording mediaCANON KK·Filed 1990·Granted Jun 30, 1992·227 cites·24 claims
- 0398US10558132B2Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2019·Granted Feb 11, 2020·35 cites·5 claims
- 0498US9772596B2Image forming apparatus and electrophotographic photosensitive memberCANON KK·Filed 2015·Granted Sep 26, 2017·29 cites·8 claims
- 0597US9114565B2Process for forming uneven structure on surface of surface layer of cylindrical electrophotographic photosensitive member, and process for producing cylindrical electrophotographic photosensitive member having uneven structure formed on surface of surface layer of sameKAWAI YASUHIRO·Filed 2011·Granted Aug 25, 2015·35 cites·11 claims
- 0697US6377309B1Image processing apparatus and method for reproducing at least an image from a digital data sequenceCANON KK·Filed 2000·Granted Apr 23, 2002·146 cites·15 claims
- 0797US5563661AImage processing apparatusCANON KK·Filed 1994·Granted Oct 8, 1996·165 cites·8 claims
- 0896US11112707B2Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2020·Granted Sep 7, 2021·6 cites·6 claims
- 0996US10042273B2Electrophotographic photosensitive member, process cartridge and electrophotographic apparatusCANON KK·Filed 2015·Granted Aug 7, 2018·16 cites·10 claims
- 1096US9389521B2Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2015·Granted Jul 12, 2016·17 cites·18 claims
- 1196US6529522B1Communication apparatus with digital interfaceCANON KK·Filed 1998·Granted Mar 4, 2003·299 cites·16 claims
- 1296US6330909B1Vehicle air conditioning systemDENSO CORP·Filed 1999·Granted Dec 18, 2001·148 cites·77 claims
- 1396US5132807ARecording apparatus for recording main information with additional informationCANON KK·Filed 1989·Granted Jul 21, 1992·99 cites·18 claims
- 1496US5107293AAutomatic image stabilization deviceCANON KK·Filed 1989·Granted Apr 21, 1992·133 cites·50 claims
- 1596US4716719AMethod of and apparatus for controlling fuel of gas turbineHITACHI LTD·Filed 1986·Granted Jan 5, 1988·128 cites·11 claims
- 1696US4203671AMethod of detecting flesh color in color originalsFUJI PHOTO FILM CO LTD·Filed 1977·Granted May 20, 1980·75 cites·7 claims
- 1795US11506988B2Electrophotographic photosensitive member, electrophotographic image forming apparatus, and method of producing electrophotographic photosensitive memberCANON KK·Filed 2021·Granted Nov 22, 2022·3 cites·10 claims
- 1895US9766561B2Electrophotographic photosensitive member, process cartridge and electrophotographic apparatusCANON KK·Filed 2016·Granted Sep 19, 2017·23 cites·7 claims
- 1995US7332014B2Ceramic structure, method of manufacturing ceramic structure, and device for manufacturing ceramic structureIBIDEN CO LTD·Filed 2004·Granted Feb 19, 2008·92 cites·33 claims
- 2095US6642586B2Semiconductor memory capable of being driven at low voltage and its manufacture methodFUJITSU LTD·Filed 2001·Granted Nov 4, 2003·84 cites·13 claims
- 2195US6458868B1Organophosphorus compounds for dental polymerizable compositionsKURARAY CO·Filed 2000·Granted Oct 1, 2002·183 cites·22 claims
- 2295US6453120B1Image processing apparatus with recording and reproducing modes for hierarchies of hierarchically encoded videoCANON KK·Filed 1996·Granted Sep 17, 2002·153 cites·7 claims
- 2394US11456288B2Image display elementSHARP FUKUYAMA LASER CO LTD·Filed 2020·Granted Sep 27, 2022·3 cites·20 claims
- 2494US10846881B2Image measuring apparatusKEYENCE CO LTD·Filed 2020·Granted Nov 24, 2020·4 cites·20 claims
- 2594US8865380B2Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusNOGUCHI KAZUNORI·Filed 2011·Granted Oct 21, 2014·18 cites·5 claims
- 2694US8457528B2Electrophotographic apparatusOCHI ATSUSHI·Filed 2010·Granted Jun 4, 2013·27 cites·3 claims
- 2794US6055360AHeating heat exchanger with electric heat emitterDENSO CORP·Filed 1998·Granted Apr 25, 2000·93 cites·8 claims
- 2893US11424225B2Image display deviceSHARP FUKUYAMA LASER CO LTD·Filed 2020·Granted Aug 23, 2022·3 cites·19 claims
- 2993US10429754B2Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2018·Granted Oct 1, 2019·7 cites·12 claims
- 3093US6854513B2Vehicle air conditioning system with cold accumulatorDENSO CORP·Filed 2001·Granted Feb 15, 2005·63 cites·30 claims
- 3193US6232747B1Remaining-amount-of-battery detecting deviceCANON KK·Filed 2000·Granted May 15, 2001·56 cites·34 claims
- 3293US6205805B1Motor vehicle dehumidifier with drying agent and drying agent regenerative controlDENSO CORP·Filed 1999·Granted Mar 27, 2001·100 cites·10 claims
- 3393US6037567AVehicle air-conditioning system with heat exchanger having integrated electric heaters and temperature control systemDENSO CORP·Filed 1999·Granted Mar 14, 2000·70 cites·10 claims
- 3493US5887867ASheet supplying apparatus including first and second sheet supply rollers and a separation roller all made of the same materialCANON KK·Filed 1997·Granted Mar 30, 1999·57 cites·15 claims
- 3593US5502486AImage sensing apparatus which can detect optical characteristics of an image to control title insertionCANON KK·Filed 1994·Granted Mar 26, 1996·116 cites·37 claims
- 3692US10908862B1Image forming system and voltage adjustment methodTOSHIBA TEC KK·Filed 2020·Granted Feb 2, 2021·3 cites·20 claims
- 3792US10748879B2Image display device and displaySHARP KK·Filed 2019·Granted Aug 18, 2020·6 cites·20 claims
- 3892US9261259B2Laser-beam utilization device and vehicle headlightSHIOMI TAKESHI·Filed 2012·Granted Feb 16, 2016·15 cites·12 claims
- 3992US7788690B2Receiving apparatus and methodCANON KK·Filed 2006·Granted Aug 31, 2010·15 cites·21 claims
- 4092US7146041B2Method and apparatus for correcting white balance, method for correcting density and recording medium on which program for carrying out the methods is recordedFUJI PHOTO FILM CO LTD·Filed 2002·Granted Dec 5, 2006·56 cites·19 claims
- 4192US6989731B1Notifying a user that a warning status has occurred in a deviceCANON KK·Filed 2000·Granted Jan 24, 2006·78 cites·10 claims
- 4292US5909872ASheet supplying apparatus with shift and auxiliary shift for sheet supportCANON KK·Filed 1996·Granted Jun 8, 1999·51 cites·23 claims
- 4392US5784521ASignal recording systemCANON KK·Filed 1994·Granted Jul 21, 1998·130 cites·24 claims
- 4492US5604537AImaging apparatus having an automatic focusing meansCANON KK·Filed 1995·Granted Feb 18, 1997·151 cites·12 claims
- 4592US5474287ASheet feeding apparatusCANON KK·Filed 1995·Granted Dec 12, 1995·50 cites·13 claims
- 4692US4705744AColor photographic materials having red color saturation and improved discrimination of green colorsFUJI PHOTO FILM CO LTD·Filed 1985·Granted Nov 10, 1987·28 cites·21 claims
- 4791US9223071B2Light-emitting device, vehicle headlamp and illumination apparatusSHARP KK·Filed 2013·Granted Dec 29, 2015·13 cites·8 claims
- 4891US8081870B2Receiving apparatus and methodITO MASAMICHI·Filed 2006·Granted Dec 20, 2011·17 cites·9 claims
- 4991US7152422B2Vapor compression refrigeratorDENSO CORP·Filed 2005·Granted Dec 26, 2006·18 cites·13 claims
- 5091US5831676AImage pickup device using plural control parameters for exposure controlCANON KK·Filed 1992·Granted Nov 3, 1998·98 cites·22 claims
Showing the top 50 of 639 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →