Inventor · disambiguated record
Katsuhiko Hayashi
Also filed as: HAYASHI KATSUHIKO
154 granted patents·39 pending applications·2,636 citations·filing 1974–2022
99Inventor score
Top patents by PatentIndex Score
193 records- 0197US6455347B1Method of fabricating thin-film photovoltaic moduleKANEKA CORP·Filed 2000·Granted Sep 24, 2002·151 cites·19 claims
- 0297US5406235AHigh frequency deviceTDK CORP·Filed 1991·Granted Apr 11, 1995·107 cites·8 claims
- 0396US7255919B2Mold release layer transferring film and laminate filmMITSUI MINING & SMELTING CO·Filed 2003·Granted Aug 14, 2007·111 cites·16 claims
- 0496USD424538SDisplay deviceFUJITSU GENERAL LTD·Filed 1999·Granted May 9, 2000·156 cites·1 claims
- 0596US5411428ABlock units for a block toySANKYO SEIKI SEISAKUSHO KK·Filed 1993·Granted May 2, 1995·93 cites·11 claims
- 0695US7173322B2COF flexible printed wiring board and method of producing the wiring boardMITSUI MINING & SMELTING CO·Filed 2003·Granted Feb 6, 2007·93 cites·9 claims
- 0795US6632538B1Sheet for cell and cell deviceDAINIPPON PRINTING CO LTD·Filed 1999·Granted Oct 14, 2003·145 cites·5 claims
- 0895US6329715B1Passive electronic parts, IC parts, and waferTDK CORP·Filed 1997·Granted Dec 11, 2001·90 cites·14 claims
- 0994US6437231B2Integrated thin-film solar battery and method of manufacturing the sameKANEGAFUCHI CHEMICAL IND·Filed 2001·Granted Aug 20, 2002·79 cites·22 claims
- 1094US6365825B1Reverse biasing apparatus for solar battery moduleKANEKA CORP·Filed 2000·Granted Apr 2, 2002·84 cites·18 claims
- 1193US10328972B2Rotation detecting apparatus and electric power steering apparatus using the sameDENSO CORP·Filed 2017·Granted Jun 25, 2019·10 cites·23 claims
- 1293US6288323B1Thin film photoelectric conversion module and method of manufacturing the sameKANEKA CORP·Filed 2000·Granted Sep 11, 2001·77 cites·20 claims
- 1391US10486735B2Rotation detecting apparatusDENSO CORP·Filed 2018·Granted Nov 26, 2019·4 cites·16 claims
- 1491US7545583B2Optical lens having antireflective structurePANASONIC CORP·Filed 2006·Granted Jun 9, 2009·26 cites·17 claims
- 1591US6653550B2Integrated thin-film photoelectric conversion moduleKANEKA CORP·Filed 2002·Granted Nov 25, 2003·70 cites·18 claims
- 1691US6632993B2Photovoltaic moduleKANEKA CORP·Filed 2001·Granted Oct 14, 2003·70 cites·9 claims
- 1790US8646283B2Ice making method and ice making deviceKURATANI HIROKI·Filed 2011·Granted Feb 11, 2014·24 cites·9 claims
- 1890US8455135B2Battery case forming sheet and battery packetYAMAZAKI TAKUYA·Filed 2012·Granted Jun 4, 2013·6 cites·2 claims
- 1990US6265652B1Integrated thin-film solar battery and method of manufacturing the sameKANEGAFUCHI CHEMICAL IND·Filed 1998·Granted Jul 24, 2001·99 cites·35 claims
- 2090USD392628SDisplay deviceFUJITSU GENERAL LTD·Filed 1997·Granted Mar 24, 1998·37 cites·1 claims
- 2189US11091201B2Rotation detecting apparatus and electric power steering apparatus using the sameDENSO CORP·Filed 2017·Granted Aug 17, 2021·7 cites·25 claims
- 2289US10053141B2Communication systemDENSO CORP·Filed 2016·Granted Aug 21, 2018·5 cites·16 claims
- 2389US5898344AHigh-frequency moduleTDK CORP·Filed 1997·Granted Apr 27, 1999·75 cites·10 claims
- 2489USD395454SDisplay deviceFUJITSU GENERAL LTD·Filed 1997·Granted Jun 23, 1998·35 cites·1 claims
- 2588US6506260B1Method for cleaning photovoltaic module and cleaning apparatusKANEKA CORP·Filed 2000·Granted Jan 14, 2003·49 cites·18 claims
- 2688US4762882AModified polyolefin resin and a composition containing the sameMITSUBISHI CHEM IND·Filed 1986·Granted Aug 9, 1988·59 cites·4 claims
- 2786US7248420B2Optical pickup lens device and information recording and reproducing device using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Granted Jul 24, 2007·5 cites·10 claims
- 2886USD395453SDisplay deviceFUJITSU GENERAL LTD·Filed 1996·Granted Jun 23, 1998·34 cites·1 claims
- 2985US11946773B2Motor rotation and position detection device and control unitDENSO CORP·Filed 2020·Granted Apr 2, 2024·2 cites·20 claims
- 3085US6266226B1CapacitorTDK CORP·Filed 1999·Granted Jul 24, 2001·59 cites·25 claims
- 3184US8184373B2Optical element and method for producing the sameTANAKA YASUHIRO·Filed 2005·Granted May 22, 2012·14 cites·33 claims
- 3284US5048151AMechanical door checkSANKYO SEIKI SEISAKUSHO KK·Filed 1989·Granted Sep 17, 1991·47 cites·19 claims
- 3383US10260793B2Damper deviceNIDEC SANKYO CORP·Filed 2015·Granted Apr 16, 2019·3 cites·21 claims
- 3482US11465683B2Steering angle detection deviceDENSO CORP·Filed 2019·Granted Oct 11, 2022·2 cites·8 claims
- 3582US7801008B2Diffractive optical element, objective optical system including the same, and optical pickup including the samePANASONIC CORP·Filed 2007·Granted Sep 21, 2010·4 cites·13 claims
- 3682US7198989B2Method of producing a COF flexible printed wiring boardMITSUI MINING & SMELTING CO·Filed 2005·Granted Apr 3, 2007·8 cites·16 claims
- 3782US6002464ALight diffusing sheet having a layer incorporated with light diffusing material and a layer with a corrugated surfaceKURARAY CO·Filed 1997·Granted Dec 14, 1999·69 cites·1 claims
- 3881US9878736B2Communication systemDENSO CORP·Filed 2016·Granted Jan 30, 2018·4 cites·15 claims
- 3980US8179768B2Optical system for compensating for spherical aberration and/or coma aberration in an optical pickup device and optical pickup device having the sameTANAKA YASUHIRO·Filed 2008·Granted May 15, 2012·3 cites·60 claims
- 4078US9555828B2Electronic control unit and electric power steering apparatus having the sameDENSO CORP·Filed 2014·Granted Jan 31, 2017·10 cites·11 claims
- 4178US5345834AVelocity-reduced drive systemSANKYO SEIKI SEISAKUSHO KK·Filed 1991·Granted Sep 13, 1994·35 cites·8 claims
- 4277US6271149B1Method of forming a thin film on a substrate of a semiconductor deviceKANEKA CORP·Filed 2000·Granted Aug 7, 2001·18 cites·14 claims
- 4376US10281722B2Head-up display and moving body equipped with head-up displayPANASONIC IP MAN CO LTD·Filed 2017·Granted May 7, 2019·2 cites·12 claims
- 4476US6477031B1Electronic component for high frequency signals and method for fabricating the sameTDK CORP·Filed 2000·Granted Nov 5, 2002·20 cites·34 claims
- 4575US7978568B2Optical head, diffraction device, objective lens, and optical disc apparatusPANASONIC CORP·Filed 2007·Granted Jul 12, 2011·2 cites·4 claims
- 4675US6067137AImage display apparatus with hydrophobic diffraction grating for an enlarged viewing angleKURARAY CO·Filed 1996·Granted May 23, 2000·57 cites·13 claims
- 4775US4777394AMiniature generatorSANKYO SEIKI SEISAKUSHO KK·Filed 1987·Granted Oct 11, 1988·34 cites·12 claims
- 4874US7068445B2Optical pickup lens device and information recording and reproducing device using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Jun 27, 2006·7 cites·4 claims
- 4972US8264936B2Diffractive optical element, objective optical system including the same, and optical pickup including the sameTANAKA YASUHIRO·Filed 2010·Granted Sep 11, 2012·2 cites·6 claims
- 5072US3947504ASeparation and recovery of 3-methyl-3-butene-1-olKURARAY CO·Filed 1974·Granted Mar 30, 1976·9 cites·6 claims
Showing the top 50 of 193 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Katsuhiko Hayashi files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →