Inventor · disambiguated record
Katsumi Nakagawa
Also filed as: KOUMURA NOBORU · NAKAGAWA KATSUMI
152 granted patents·13 pending applications·6,087 citations·filing 1977–2019
99Inventor score
Files withCANON KK138PANASONIC IP MAN CO LTD7AISIN SEIKI4MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2NAKAGAWA KATSUMI2
Top patents by PatentIndex Score
165 records- 0199US9583637B2Amorphous oxide and field effect transistorCANON KK·Filed 2015·Granted Feb 28, 2017·59 cites·9 claims
- 0299US7601984B2Field effect transistor with amorphous oxide active layer containing microcrystals and gate electrode opposed to active layer through gate insulatorCANON KK·Filed 2005·Granted Oct 13, 2009·1.1k cites·6 claims
- 0399US4265991AElectrophotographic photosensitive member and process for production thereofCANON KK·Filed 1978·Granted May 5, 1981·185 cites·20 claims
- 0498US9130049B2Amorphous oxide and field effect transistorCANON KK·Filed 2013·Granted Sep 8, 2015·92 cites·2 claims
- 0598US7868326B2Field effect transistorCANON KK·Filed 2005·Granted Jan 11, 2011·135 cites·17 claims
- 0698US4565731AImage-forming member for electrophotographyCANON KK·Filed 1982·Granted Jan 21, 1986·74 cites·13 claims
- 0798US4471042AImage-forming member for electrophotography comprising hydrogenated amorphous matrix of silicon and/or germaniumCANON KK·Filed 1979·Granted Sep 11, 1984·59 cites·84 claims
- 0897US10615287B2Amorphous oxide and field effect transistorCANON KK·Filed 2017·Granted Apr 7, 2020·12 cites·28 claims
- 0997US8168974B2Field effect transistorSANO MASAFUMI·Filed 2010·Granted May 1, 2012·39 cites·24 claims
- 1097US6682990B1Separation method of semiconductor layer and production method of solar cellCANON KK·Filed 2000·Granted Jan 27, 2004·153 cites·16 claims
- 1197US4766477ASemiconductor device including a semiconductor layer having a polycrystalline silicon film with selected atomic constituencyCANON KK·Filed 1986·Granted Aug 23, 1988·140 cites·20 claims
- 1296US6756289B1Method of producing semiconductor member and method of producing solar cellCANON KK·Filed 2000·Granted Jun 29, 2004·120 cites·26 claims
- 1396US6452091B1Method of producing thin-film single-crystal device, solar cell module and method of producing the sameCANON KK·Filed 2000·Granted Sep 17, 2002·131 cites·30 claims
- 1496US5063462ALED array and partitive driving method therefor using overlapping activation periodsCANON KK·Filed 1989·Granted Nov 5, 1991·141 cites·13 claims
- 1595US6802926B2Method of producing semiconductor thin film and method of producing solar cell using sameCANON KK·Filed 2001·Granted Oct 12, 2004·102 cites·5 claims
- 1695US6190937B1Method of producing semiconductor member and method of producing solar cellCANON KK·Filed 1997·Granted Feb 20, 2001·186 cites·14 claims
- 1794US6602767B2Method for transferring porous layer, method for making semiconductor devices, and method for making solar batteryCANON KK·Filed 2001·Granted Aug 5, 2003·86 cites·21 claims
- 1894US6384313B2Solar cell module and method of producing the sameCANON KK·Filed 2001·Granted May 7, 2002·66 cites·17 claims
- 1993US6248948B1Solar cell module and method of producing the sameCANON KK·Filed 1999·Granted Jun 19, 2001·103 cites·15 claims
- 2093US4886962AMethod for driving a photo-sensor by applying a pulse voltage to an auxiliary electrode during a non-read timeCANON KK·Filed 1988·Granted Dec 12, 1989·86 cites·2 claims
- 2193US4814842AThin film transistor utilizing hydrogenated polycrystalline siliconCANON KK·Filed 1988·Granted Mar 21, 1989·86 cites·6 claims
- 2292US6566277B1Liquid-phase growth method, liquid-phase growth apparatus, and solar cellCANON KK·Filed 2000·Granted May 20, 2003·54 cites·18 claims
- 2391US6872248B2Liquid-phase growth process and liquid-phase growth apparatusCANON KK·Filed 2003·Granted Mar 29, 2005·34 cites·12 claims
- 2490US6605518B1Method of separating composite member and process for producing thin filmCANON KK·Filed 2000·Granted Aug 12, 2003·63 cites·2 claims
- 2590US6500731B1Process for producing semiconductor device moduleCANON KK·Filed 2000·Granted Dec 31, 2002·51 cites·11 claims
- 2690US5486238APhotovoltaic deviceCANON KK·Filed 1994·Granted Jan 23, 1996·77 cites·14 claims
- 2789US6258666B1Method of producing semiconductor thin film and method of producing solar cell using sameCANON KK·Filed 1999·Granted Jul 10, 2001·82 cites·22 claims
- 2889US5520740AProcess for continuously forming a large area functional deposited film by microwave PCVD method and apparatus suitable for practicing the sameCANON KK·Filed 1995·Granted May 28, 1996·89 cites·12 claims
- 2987US5714010AProcess for continuously forming a large area functional deposited film by a microwave PCVD method and an apparatus suitable for practicing the sameCANON KK·Filed 1995·Granted Feb 3, 1998·80 cites·3 claims
- 3087US4926058AImage reading apparatus with block lighting and pulsingCANON KK·Filed 1987·Granted May 15, 1990·57 cites·1 claims
- 3186US7616179B2Organic EL display apparatus and driving method thereforCANON KK·Filed 2007·Granted Nov 10, 2009·7 cites·15 claims
- 3286US6080928APhotovoltaic element array and method of fabricating the sameCANON KK·Filed 1996·Granted Jun 27, 2000·80 cites·17 claims
- 3386US5527391AMethod and apparatus for continuously forming functional deposited films with a large area by a microwave plasma CVD methodCANON KK·Filed 1995·Granted Jun 18, 1996·72 cites·22 claims
- 3486US5500055APhotovoltaic deviceCANON KK·Filed 1994·Granted Mar 19, 1996·51 cites·12 claims
- 3586US5269848AProcess for preparing a functional thin film by way of the chemical reaction among active species and apparatus thereforCANON KK·Filed 1993·Granted Dec 14, 1993·61 cites·3 claims
- 3686US4680644AMethod and apparatus for reading an imageCANON KK·Filed 1985·Granted Jul 14, 1987·54 cites·18 claims
- 3786US4625224AThin film transistor having polycrystalline silicon layer with 0.01 to 5 atomic % chlorineCANON KK·Filed 1983·Granted Nov 25, 1986·38 cites·3 claims
- 3885US5804466AProcess for production of zinc oxide thin film, and process for production of semiconductor device substrate and process for production of photoelectric conversion device using the same filmCANON KK·Filed 1997·Granted Sep 8, 1998·74 cites·70 claims
- 3985US5114770AMethod for continuously forming functional deposited films with a large area by a microwave plasma cvd methodCANON KK·Filed 1990·Granted May 19, 1992·61 cites·25 claims
- 4084US9693753B2Ultrasonic probe, and photoacoustic-ultrasonic system and inspection object imaging apparatus including the ultrasonic probeCANON KK·Filed 2015·Granted Jul 4, 2017·4 cites·16 claims
- 4184US9629099B2Radio communication apparatus and transmission power control methodPANASONIC IP MAN CO LTD·Filed 2014·Granted Apr 18, 2017·6 cites·21 claims
- 4284US6802900B2Liquid phase growth methods and liquid phase growth apparatusCANON KK·Filed 2001·Granted Oct 12, 2004·20 cites·9 claims
- 4383US6258698B1Process for producing semiconductor substrateCANON KK·Filed 1998·Granted Jul 10, 2001·66 cites·22 claims
- 4483US4558357AColor image reading method and apparatusCANON KK·Filed 1983·Granted Dec 10, 1985·32 cites·5 claims
- 4582US8876717B2Biological information acquisition apparatusTOKITA TOSHINOBU·Filed 2009·Granted Nov 4, 2014·27 cites·12 claims
- 4682US5453135APhotoelectric conversion device with improved back reflection layerCANON KK·Filed 1993·Granted Sep 26, 1995·60 cites·20 claims
- 4782US4931661APhotoelectric conversion device having a common semiconductor layer for a portion of the photoelectric conversion element and a portion of the transfer transistor sectionCANON KK·Filed 1989·Granted Jun 5, 1990·41 cites·18 claims
- 4881US5589403AMethod for producing photovoltaic deviceCANON KK·Filed 1996·Granted Dec 31, 1996·45 cites·5 claims
- 4980US6061977APhotovoltaic roofing elementCANON KK·Filed 1998·Granted May 16, 2000·43 cites·8 claims
- 5080US4888062APin junction photovoltaic element having I-type semiconductor layer comprising non-single crystal material containing at least Zn, Se and H in an amount of 1 to 4 atomic %CANON KK·Filed 1988·Granted Dec 19, 1989·37 cites·8 claims
Showing the top 50 of 165 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →