Inventor · disambiguated record
Masayuki Kato
Also filed as: KATO MASAYUKI
159 granted patents·25 pending applications·3,367 citations·filing 1976–2024
99Inventor score
Files withFUJITSU LTD47AUTONETWORKS TECHNOLOGIES LTD39PIONEER ELECTRONIC CORP12KAO CORP10AISIN SEIKI5
Top patents by PatentIndex Score
184 records- 0196US7077762B2Golf club headSRI SPORTS LTD·Filed 2003·Granted Jul 18, 2006·134 cites·4 claims
- 0296US4949048APulse width modulation amplifier circuitPIONEER ELECTRONIC CORP·Filed 1989·Granted Aug 14, 1990·77 cites·5 claims
- 0395US5187597ADisplay unitFUJITSU LTD·Filed 1991·Granted Feb 16, 1993·151 cites·29 claims
- 0495US4476571AAutomatic sound volume control devicePIONEER ELECTRONIC CORP·Filed 1982·Granted Oct 9, 1984·64 cites·14 claims
- 0594US7291074B2Golf club headSRI SPORTS LTD·Filed 2006·Granted Nov 6, 2007·70 cites·9 claims
- 0694US6810160B2Optical wiring substrate, method of manufacturing optical wiring substrate and multilayer optical wiringFUJITSU LTD·Filed 2002·Granted Oct 26, 2004·66 cites·4 claims
- 0792US10665386B2Reactor and reactor manufacturing methodAUTONETWORKS TECHNOLOGIES LTD·Filed 2017·Granted May 26, 2020·5 cites·5 claims
- 0891US4832464AOptical system with grating lens assembly for correcting wavelength aberrationsFUJITSU LTD·Filed 1987·Granted May 23, 1989·46 cites·45 claims
- 0991US4739513AMethod and apparatus for measuring and correcting acoustic characteristic in sound fieldPIONEER ELECTRONIC CORP·Filed 1985·Granted Apr 19, 1988·83 cites·3 claims
- 1091US4314517ASewing machine with supplemental work supporting surfaceAISIN SEIKI·Filed 1979·Granted Feb 9, 1982·27 cites·3 claims
- 1190US10163563B2ReactorAUTONETWORKS TECHNOLOGIES LTD·Filed 2016·Granted Dec 25, 2018·4 cites·6 claims
- 1290US7536066B2Semiconductor chip moduleFUJITSU LTD·Filed 2008·Granted May 19, 2009·21 cites·18 claims
- 1390US6504966B2Optical deflecting element, optical switch module, light signal switching deviceFUJITSU LTD·Filed 2002·Granted Jan 7, 2003·43 cites·19 claims
- 1490US5616631ABinder composition for mold making, binder/curing agent composition for mold making, sand composition for mold making, and process of making moldKAO CORP·Filed 1995·Granted Apr 1, 1997·87 cites·24 claims
- 1590US4992749APulse-width modulating amplifier circuitPIONEER ELECTRONIC CORP·Filed 1989·Granted Feb 12, 1991·39 cites·3 claims
- 1690US4968948APulse width modulation amplifier circuitPIONEER ELECTRONIC CORP·Filed 1989·Granted Nov 6, 1990·40 cites·3 claims
- 1790US4864246AMobile automatic volume control apparatusPIONEER ELECTRONIC CORP·Filed 1988·Granted Sep 5, 1989·53 cites·13 claims
- 1889US9312055B2Case-integrated bonded magnet and production method for sameHONKURA YOSHINOBU·Filed 2011·Granted Apr 12, 2016·7 cites·6 claims
- 1989US7099534B2Optical transmission device with optical waveguide coupled to optical deviceFUJITSU LTD·Filed 2002·Granted Aug 29, 2006·22 cites·15 claims
- 2088US9799446B2Production method for anisotropic bonded magnet and production apparatus for sameAICHI STEEL CORP·Filed 2017·Granted Oct 24, 2017·2 cites·8 claims
- 2188US5278627AApparatus for calibrating pulse oximeterNIHON KOHDEN CORP·Filed 1992·Granted Jan 11, 1994·483 cites·6 claims
- 2286US7813096B2Power supply controllerAUTONETWORKS TECHNOLOGIES LTD·Filed 2006·Granted Oct 12, 2010·15 cites·21 claims
- 2386US7701686B2Power supply controllerAUTONETWORKS TECHNOLOGIES LTD·Filed 2005·Granted Apr 20, 2010·15 cites·12 claims
- 2486US7609922B2Optical module, optical transmission system, and fabrication method for optical moduleFUJITSU LTD·Filed 2006·Granted Oct 27, 2009·13 cites·1 claims
- 2585US12461632B2Display deviceMAGNOLIA WHITE CORP·Filed 2024·Granted Nov 4, 2025·0 cites·3 claims
- 2685US11153974B2Connector deviceAUTONETWORKS TECHNOLOGIES LTD·Filed 2020·Granted Oct 19, 2021·2 cites·8 claims
- 2785US7545127B2Power supply controllerAUTONETWORKS TECHNOLOGIES LTD·Filed 2006·Granted Jun 9, 2009·14 cites·11 claims
- 2885US5852504AStereoscopic display method of hologram and its forming method and its stereoscopic display apparatusFUJITSU LTD·Filed 1996·Granted Dec 22, 1998·64 cites·9 claims
- 2985US4952884APulse width modulation amplifier circuitPIONEER ELECTRONIC CORP·Filed 1989·Granted Aug 28, 1990·30 cites·3 claims
- 3084US7068871B2Optical wiring substrate, method of manufacturing optical wiring substrate and multilayer optical wiringFUJITSU LTD·Filed 2004·Granted Jun 27, 2006·24 cites·6 claims
- 3184US5077803ABiological detecting system and fingerprint collating system employing sameFUJITSU LTD·Filed 1989·Granted Dec 31, 1991·162 cites·30 claims
- 3284US4694498AAutomatic sound field correcting systemPIONEER ELECTRONIC CORP·Filed 1985·Granted Sep 15, 1987·40 cites·5 claims
- 3384US4683275AMethylstyrene maleimide copolymerTOA NENRYO KOGYO KK·Filed 1985·Granted Jul 28, 1987·36 cites·13 claims
- 3483US8339132B2Magnetic detection deviceHONKURA YOSHINOBU·Filed 2010·Granted Dec 25, 2012·10 cites·9 claims
- 3583US4957336ALaser beam scanner and its fabricating methodFUJITSU LTD·Filed 1988·Granted Sep 18, 1990·51 cites·29 claims
- 3681US8270138B2Power supply controller and threshold adjustment method thereofTAKAHASHI SEIJI·Filed 2006·Granted Sep 18, 2012·12 cites·21 claims
- 3781US7508255B2Power supply controllerAUTONETWORKS TECHNOLOGIES LTD·Filed 2007·Granted Mar 24, 2009·13 cites·18 claims
- 3881US7137746B2Optical transmission module and manufacturing method thereforFUJITSU LTD·Filed 2005·Granted Nov 21, 2006·11 cites·12 claims
- 3981US6223405B1Method of manufacturing ink jet headFUJITSU LTD·Filed 1997·Granted May 1, 2001·47 cites·6 claims
- 4081US5491180ABinder composition for mold making, binder/curing agent composition for mold making, sand composition for mold making, and process of making moldKAO CORP·Filed 1994·Granted Feb 13, 1996·46 cites·12 claims
- 4180US5561537AStereoscopic display method and apparatusFUJITSU LTD·Filed 1995·Granted Oct 1, 1996·65 cites·14 claims
- 4280US5165866ABellows pumpIWAKI CO LTD·Filed 1991·Granted Nov 24, 1992·43 cites·8 claims
- 4379US9812895B2In-vehicle chargerMITSUBISHI ELECTRIC CORP·Filed 2014·Granted Nov 7, 2017·5 cites·8 claims
- 4479US7859226B2Method and device for safety protection of secondary batteryTDK LAMBDA CORP·Filed 2007·Granted Dec 28, 2010·17 cites·2 claims
- 4579US7359594B2Optical waveguide structure and optical moduleFUJITSU LTD·Filed 2004·Granted Apr 15, 2008·20 cites·19 claims
- 4679US5343161APower amplifier apparatusPIONEER ELECTRONIC CORP·Filed 1993·Granted Aug 30, 1994·29 cites·1 claims
- 4778US9666341B2Production method for anisotropic bonded magnet and production apparatus for sameHONKURA YOSHINOBU·Filed 2011·Granted May 30, 2017·3 cites·18 claims
- 4878US8446020B2Multi-chip moduleKOIDE MASATERU·Filed 2010·Granted May 21, 2013·5 cites·8 claims
- 4978US5497170AHeadup display apparatusYAZAKI CORP·Filed 1994·Granted Mar 5, 1996·49 cites·17 claims
- 5078US4688258AAutomatic graphic equalizerPIONEER ELECTRONIC CORP·Filed 1985·Granted Aug 18, 1987·29 cites·5 claims
Showing the top 50 of 184 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →