Inventor · disambiguated record
Kenji Yamamoto
Also filed as: NOSE MASAHIKO · YAMAMOTO KENJI · YAMAMOTO KENJI R
591 granted patents·157 pending applications·7,370 citations·filing 1971–2025
99Inventor score
Top patents by PatentIndex Score
748 records- 0198US7548698B2Light communication system and illumination apparatus thereforAVAGO TECH ECBU IP SG PTE LTD·Filed 2005·Granted Jun 16, 2009·69 cites·10 claims
- 0297US9837521B2Nitride semiconductor device and fabrication method thereforROHM CO LTD·Filed 2013·Granted Dec 5, 2017·29 cites·39 claims
- 0397US7521131B2Hard coating excellent in wear resistance and in oxidation resistance and target for forming the sameKOBE STEEL LTD·Filed 2005·Granted Apr 21, 2009·28 cites·12 claims
- 0497US7189576B2Method for measuring substance and testing pieceARKRAY INC·Filed 2003·Granted Mar 13, 2007·123 cites·16 claims
- 0596US10989694B2Rail inspection systemHITACHI HIGH TECH FINE SYSTEMS CORP·Filed 2017·Granted Apr 27, 2021·15 cites·7 claims
- 0696US7564198B2Device and method for driving LEDAVAGO TECH ECBU IP SG PTE LTD·Filed 2007·Granted Jul 21, 2009·109 cites·13 claims
- 0796US7258912B2Hard laminated film, method of manufacturing the same and film-forming deviceKOBE STEEL LTD·Filed 2005·Granted Aug 21, 2007·45 cites·10 claims
- 0896US7153696B2Method for measuring substance and testing pieceARKRAY INC·Filed 2003·Granted Dec 26, 2006·116 cites·5 claims
- 0996US7034681B2Home security video system using internet techniqueAGILENT TECHNOLOGIES INC·Filed 2001·Granted Apr 25, 2006·281 cites·9 claims
- 1096US5764613Aoptical pickup apparatusSONY CORP·Filed 1996·Granted Jun 9, 1998·117 cites·11 claims
- 1196US5134191AHard coating compositions and plastic optical articlesSHINETSU CHEMICAL CO·Filed 1990·Granted Jul 28, 1992·122 cites·8 claims
- 1296US4783368AHigh heat conductive insulated substrate and method of manufacturing the sameKANEGAFUCHI CHEMICAL IND·Filed 1986·Granted Nov 8, 1988·159 cites·61 claims
- 1395US9902256B2Vehicular shutter deviceSHIROKI CORP·Filed 2015·Granted Feb 27, 2018·14 cites·18 claims
- 1495US7778548B2Optical communication system, lighting equipment and terminal equipment used thereinAVAGO TECHNOLOGIES GENERAL IP·Filed 2006·Granted Aug 17, 2010·26 cites·8 claims
- 1595US6824601B2Hard film for cutting tools, cutting tool coated with hard film, process for forming hard film, and target used to form hard filmKOBE STEEL LTD·Filed 2001·Granted Nov 30, 2004·158 cites·14 claims
- 1695US5500424APyrimidine and pyridine derivatives, their production and useNIHON NOHYAKU CO LTD·Filed 1994·Granted Mar 19, 1996·75 cites·6 claims
- 1794US11605707B2Semiconductor deviceROHM CO LTD·Filed 2021·Granted Mar 14, 2023·4 cites·16 claims
- 1894US8477580B2Objective lens, optical pickup, and optical drive deviceYAMAMOTO KENJI·Filed 2011·Granted Jul 2, 2013·27 cites·8 claims
- 1994US8335353B2Biometrics authentication systemYAMAMOTO KENJI·Filed 2008·Granted Dec 18, 2012·39 cites·24 claims
- 2094US6767658B2Hard wear resistant film, process for forming hard film, and target used to form hard filmKOBE STEEL LTD·Filed 2002·Granted Jul 27, 2004·54 cites·23 claims
- 2194US6377277B1Virtual image generation apparatus and methodSEGA ENTERPRISES KK·Filed 1996·Granted Apr 23, 2002·161 cites·27 claims
- 2293USD784869SFront bumper for automobileNISSAN MOTOR·Filed 2016·Granted Apr 25, 2017·44 cites·1 claims
- 2393US8451352B2Image pickup apparatusHAYASAKA KENGO·Filed 2009·Granted May 28, 2013·19 cites·8 claims
- 2493US7932941B2Image pickup apparatusSONY CORP·Filed 2008·Granted Apr 26, 2011·20 cites·8 claims
- 2593US7166367B2Titanium alloy having excellent high-temperature oxidation and corrosion resistanceKOBE STEEL LTD·Filed 2005·Granted Jan 23, 2007·11 cites·7 claims
- 2693US6448952B1Stereoscopic image display deviceDENSO CORP·Filed 2000·Granted Sep 10, 2002·71 cites·22 claims
- 2793US4840296AClamping and fixing apparatus for a refractory-made plate for a slide gate valve for controlling a molten steel flowSHINAGAWA REFRACTORIES CO·Filed 1988·Granted Jun 20, 1989·36 cites·4 claims
- 2893US4528072AProcess for manufacturing hollow multilayer printed wiring boardFUJITSU LTD·Filed 1982·Granted Jul 9, 1985·121 cites·27 claims
- 2992US11069771B2Semiconductor deviceROHM CO LTD·Filed 2018·Granted Jul 20, 2021·11 cites·16 claims
- 3092US10256335B2Nitride semiconductor device and fabrication method thereforROHM CO LTD·Filed 2017·Granted Apr 9, 2019·4 cites·32 claims
- 3192US8548064B2Video encoding method and decoding method by using selected parallax for parallax compensation, apparatuses therefor, programs therefor, and storage media for storing the programsKITAHARA MASAKI·Filed 2006·Granted Oct 1, 2013·23 cites·8 claims
- 3292US8502911B2Image pickup apparatus, display and image processing apparatusYAMAMOTO KENJI·Filed 2009·Granted Aug 6, 2013·18 cites·10 claims
- 3392US8017226B2Hard film-coated member and jig for moldingKOBE STEEL LTD·Filed 2009·Granted Sep 13, 2011·12 cites·11 claims
- 3492US7498083B2Sliding member with excellent wear resistance in water-based environmentsKOBE STEEL LTD·Filed 2005·Granted Mar 3, 2009·16 cites·6 claims
- 3591US8025956B2Hard film and method of manufacturing the sameKOBE STEEL LTD·Filed 2007·Granted Sep 27, 2011·18 cites·15 claims
- 3691US8003231B2Wear-resistant member with hard coatingKOBE STEEL LTD·Filed 2008·Granted Aug 23, 2011·11 cites·20 claims
- 3791US7887919B2Amorphous-carbon-based hard multilayer film and hard surface member having the film on surfaceKOBE STEEL LTD·Filed 2007·Granted Feb 15, 2011·16 cites·10 claims
- 3891US7763366B2Hard coating film and method for forming the sameKOBE STEEL LTD·Filed 2006·Granted Jul 27, 2010·12 cites·29 claims
- 3991US7583282B2Image printing apparatus and image printing methodKONICA MINOLTA BUSINESS TECH·Filed 2006·Granted Sep 1, 2009·13 cites·26 claims
- 4091US7211138B2Hard film, method of forming the same and target for hard film formationKOBE STEEL LTD·Filed 2004·Granted May 1, 2007·39 cites·6 claims
- 4191US6563584B1Method and device for fluorescence measurementHITACHI SOFTWARE ENG·Filed 2000·Granted May 13, 2003·54 cites·15 claims
- 4291US5844060AOrganopolysiloxane resin, production method thereof, and curable organopolysiloxane resin composition using the sameSHINETSU CHEMICAL CO·Filed 1997·Granted Dec 1, 1998·63 cites·18 claims
- 4391US4044626ABalancing ring of centrifugal extractorSANYO ELECTRIC CO·Filed 1976·Granted Aug 30, 1977·69 cites·7 claims
- 4491US2025324647A1Nitride semiconductor device and fabrication method thereforROHM CO LTD·Filed 2025·Application pending·0 cites
- 4590US10183326B2Slab continuous casting apparatusSHINAGAWA REFRACTORIES CO·Filed 2015·Granted Jan 22, 2019·2 cites·6 claims
- 4690US8330848B2Imaging deviceYAMAMOTO KENJI·Filed 2010·Granted Dec 11, 2012·12 cites·4 claims
- 4790US8237843B2Imaging deviceYAMAMOTO KENJI·Filed 2010·Granted Aug 7, 2012·10 cites·5 claims
- 4890US7564745B2Optical pickup and optical disk apparatusSONY CORP·Filed 2005·Granted Jul 21, 2009·12 cites·15 claims
- 4990US7563974B2Storage medium storing sound processing program and sound processing apparatusNINTENDO CO LTD·Filed 2006·Granted Jul 21, 2009·20 cites·15 claims
- 5090US7550707B2Biometrics authentication system with authentication based upon multiple layersSONY CORP·Filed 2008·Granted Jun 23, 2009·43 cites·9 claims
Showing the top 50 of 748 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →