Inventor · disambiguated record
Masaaki Katsumata
Also filed as: KATSUMATA MASAAKI
64 granted patents·13 pending applications·577 citations·filing 1975–2024
98Inventor score
Files withNICHIA CORP41MATSUSHITA ELECTRIC INDUSTRIAL CO LTD15NISSAN MOTOR6PANASONIC CORP4HIMORI TSUYOSHI3
Top patents by PatentIndex Score
77 records- 0196US6998532B2Electronic component-built-in moduleMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Feb 14, 2006·124 cites·23 claims
- 0292US4072945ARadar-operated collision avoidance system for roadway vehicles using stored information for determination of valid objectsNISSAN MOTOR·Filed 1976·Granted Feb 7, 1978·63 cites·5 claims
- 0389US4989460AMagnetostriction type torque sensor with temperature dependent error compensationNISSAN MOTOR·Filed 1988·Granted Feb 5, 1991·70 cites·19 claims
- 0487US11934003B2Planar light sourceNICHIA CORP·Filed 2022·Granted Mar 19, 2024·1 cites·20 claims
- 0587US11652198B2Light-emitting device including wirings in groove structureNICHIA CORP·Filed 2022·Granted May 16, 2023·1 cites·7 claims
- 0687US6577208B2Radio frequency filterMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Jun 10, 2003·32 cites·11 claims
- 0786US7821795B2Multilayer wiring boardPANASONIC CORP·Filed 2006·Granted Oct 26, 2010·16 cites·8 claims
- 0884US4289102AEngine spark timing controlling deviceNISSAN MOTOR·Filed 1979·Granted Sep 15, 1981·18 cites·5 claims
- 0983US10477692B2Printed board, light source device, semiconductor device, and methods of manufacturing sameNICHIA CORP·Filed 2018·Granted Nov 12, 2019·3 cites·20 claims
- 1082US11439019B2Printed circuit board and method of manufacturing the sameNICHIA CORP·Filed 2019·Granted Sep 6, 2022·2 cites·12 claims
- 1182US7187071B2Composite electronic componentMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Mar 6, 2007·11 cites·7 claims
- 1280US10957836B2Printed board and light emitting deviceNICHIA CORP·Filed 2020·Granted Mar 23, 2021·1 cites·18 claims
- 1378US4387571AKnock control system and method for turbosupercharger installed enginesNISSAN MOTOR·Filed 1980·Granted Jun 14, 1983·20 cites·9 claims
- 1476US10887988B2Circuit substrate, component-mounted substrate, and methods of manufacturing circuit substrate and component-mounted substrateNICHIA CORP·Filed 2019·Granted Jan 5, 2021·2 cites·12 claims
- 1574US12063743B2Printed circuit boardNICHIA CORP·Filed 2022·Granted Aug 13, 2024·0 cites·15 claims
- 1674US4282841AIgnition timing control system for an internal combustion engineNISSAN MOTOR·Filed 1979·Granted Aug 11, 1981·28 cites·16 claims
- 1773US8395056B2Multilayer printed wiring board and mounting body using the sameNAKAMURA TADASHI·Filed 2009·Granted Mar 12, 2013·5 cites·16 claims
- 1871US12302494B2Lighting device with connection to element electrodes using fillerNICHIA CORP·Filed 2022·Granted May 13, 2025·0 cites·8 claims
- 1971US11276807B2Light-emitting device manufacturing method including filling conductive material in groove structure formed by irradiating with laser lightNICHIA CORP·Filed 2019·Granted Mar 15, 2022·1 cites·5 claims
- 2071US9893242B2Light emitting deviceNICHIA CORP·Filed 2016·Granted Feb 13, 2018·2 cites·22 claims
- 2171US7382628B2Circuit-component-containing moduleMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Jun 3, 2008·15 cites·12 claims
- 2269US11894498B2Light emitting deviceNICHIA CORP·Filed 2022·Granted Feb 6, 2024·0 cites·20 claims
- 2368US5594406AZinc oxide varistor and process for the production thereofMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Jan 14, 1997·29 cites·64 claims
- 2468US5338380AHigh strength low carbon steel wire rods and method of producing themKOBE STEEL LTD·Filed 1992·Granted Aug 16, 1994·14 cites·6 claims
- 2567US12002907B2Light emitting module and method for manufacturing sameNICHIA CORP·Filed 2019·Granted Jun 4, 2024·1 cites·18 claims
- 2667US11611014B2Light-emitting moduleNICHIA CORP·Filed 2022·Granted Mar 21, 2023·0 cites·11 claims
- 2766US11888088B2Method for manufacturing light-emitting deviceNICHIA CORP·Filed 2022·Granted Jan 30, 2024·0 cites·21 claims
- 2866US2024405176A1Sintered compact substrate, light-emitting device, and methods for manufacturing sintered compact substrate and light-emitting deviceNICHIA CORP·Filed 2024·Application pending·0 cites
- 2964US11112094B2Method for manufacturing light-emitting deviceNICHIA CORP·Filed 2020·Granted Sep 7, 2021·0 cites·16 claims
- 3064US5294908AZinc oxide varistor, a method of preparing the same, and a crystallized glass composition for coatingMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted Mar 15, 1994·12 cites·16 claims
- 3163US8446736B2Circuit board and manufacturing method thereofKITA TAKAYUKI·Filed 2008·Granted May 21, 2013·6 cites·5 claims
- 3263US8393078B2Method of manufacturing circuit boardHIMORI TSUYOSHI·Filed 2012·Granted Mar 12, 2013·1 cites·4 claims
- 3362US8561294B2Method of manufacturing circuit boardHIMORI TSUYOSHI·Filed 2012·Granted Oct 22, 2013·1 cites·18 claims
- 3461US10199545B2Substrate for light emitting element and moduleDAINIPPON PRINTING CO LTD·Filed 2016·Granted Feb 5, 2019·1 cites·18 claims
- 3560US11363715B2Lighting device with intermediate contacts and method of manufacturing the sameNICHIA CORP·Filed 2019·Granted Jun 14, 2022·0 cites·6 claims
- 3659US11864317B2Sn—Bi and copper powder conductive paste in through hole of insulating substrateNICHIA CORP·Filed 2020·Granted Jan 2, 2024·0 cites·15 claims
- 3759US11424395B2Method of manufacturing light emitting device and light emitting deviceNICHIA CORP·Filed 2020·Granted Aug 23, 2022·0 cites·16 claims
- 3859US11380817B2Method for manufacturing light-emitting deviceNICHIA CORP·Filed 2020·Granted Jul 5, 2022·0 cites·20 claims
- 3959US11264533B2Method of manufacturing light-emitting module and light-emitting moduleNICHIA CORP·Filed 2020·Granted Mar 1, 2022·0 cites·21 claims
- 4059US7186307B2Method for manufacturing a ceramic multilayer circuit boardMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Mar 6, 2007·7 cites·9 claims
- 4159US2024355987A1Wiring substrate, light-emitting device, and manufacturing methods thereofNICHIA CORP·Filed 2024·Application pending·0 cites
- 4258US11018288B2Metal-base substrate and semiconductor deviceNICHIA CORP·Filed 2019·Granted May 25, 2021·0 cites·18 claims
- 4358US4855106ALow alloy steels for use in pressure vesselKOBE STEEL LTD·Filed 1987·Granted Aug 8, 1989·13 cites·8 claims
- 4458US2024213427A1Wiring substrate, light-emitting device, and manufacturing methods thereofNICHIA CORP·Filed 2023·Application pending·0 cites
- 4558US2024213429A1Ceramic sintered compact substrate, light-emitting device, and methods for manufacturing ceramic sintered compact substrate and light-emitting deviceNICHIA CORP·Filed 2023·Application pending·0 cites
- 4658US2024038957A1Wiring substrate, light-emitting device, and manufacturing methods thereofNICHIA CORP·Filed 2023·Application pending·0 cites
- 4757US12309934B2Circuit board with convex shaped post, light emitting device, and manufacturing method thereforNICHIA CORP·Filed 2022·Granted May 20, 2025·0 cites·21 claims
- 4857US11709310B2Surface-emitting light source and method of manufacturing the sameNICHIA CORP·Filed 2021·Granted Jul 25, 2023·0 cites·23 claims
- 4956US11605619B2Surface-emitting light source and method of manufacturing the sameNICHIA CORP·Filed 2021·Granted Mar 14, 2023·0 cites·20 claims
- 5056US10851973B2Light-emitting device and method for manufacturing sameNICHIA CORP·Filed 2018·Granted Dec 1, 2020·0 cites·21 claims
Showing the top 50 of 77 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →