Inventor · disambiguated record
Katsuya Oyama
Also filed as: OYAMA KATSUYA
21 granted patents·1 pending application·289 citations·filing 1998–2021
95Inventor score
Files withHITACHI LTD15HITACHI AUTOMOTIVE SYSTEMS LTD4HITACHI ASTEMO LTD1OYAMA KATSUYA1TSUDAKOMA IND CO LTD1
Top patents by PatentIndex Score
22 records- 0196US6972700B2Resolver/digital converter and control apparatus using the sameHITACHI LTD·Filed 2005·Granted Dec 6, 2005·27 cites·18 claims
- 0293US7263416B2Electrical control unit for an automobileHITACHI LTD·Filed 2003·Granted Aug 28, 2007·41 cites·28 claims
- 0392US7456603B2Phase detection circuit, resolver/digital converter using the circuit, and control system using the converterHITACHI LTD·Filed 2006·Granted Nov 25, 2008·28 cites·16 claims
- 0492US7009535B2Resolver/digital converter and control apparatus using the sameHITACHI LTD·Filed 2005·Granted Mar 7, 2006·25 cites·12 claims
- 0589US6373671B1Apparatus with an over-current shutdown means and an over-temperature shutdown meansHITACHI LTD·Filed 1999·Granted Apr 16, 2002·66 cites·16 claims
- 0679US6880530B2Fuel supply systemHITACHI LTD·Filed 2003·Granted Apr 19, 2005·22 cites·18 claims
- 0775US6684862B2Controller for internal combustion engine having fuel injection systemHITACHI LTD·Filed 2002·Granted Feb 3, 2004·19 cites·14 claims
- 0874US9719481B2Control deviceHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2013·Granted Aug 1, 2017·2 cites·7 claims
- 0971US7480549B2Electrical control unit for an automobileHITACHI LTD·Filed 2007·Granted Jan 20, 2009·6 cites·7 claims
- 1070US7057378B2Power supply unitHITACHI LTD·Filed 2003·Granted Jun 6, 2006·17 cites·19 claims
- 1163US10197037B2Control deviceHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2017·Granted Feb 5, 2019·0 cites·4 claims
- 1263US8165743B2Controller for inverterOYAMA KATSUYA·Filed 2008·Granted Apr 24, 2012·10 cites·16 claims
- 1362US10002699B2Electromagnetic coil driving control deviceHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2013·Granted Jun 19, 2018·2 cites·6 claims
- 1461US7423403B2Motor control systemHITACHI LTD·Filed 2006·Granted Sep 9, 2008·5 cites·15 claims
- 1560US7969229B2On-chip redundancy high-reliable system and method of controlling the sameHITACHI LTD·Filed 2009·Granted Jun 28, 2011·1 cites·22 claims
- 1657US11959204B2Full-width temple device for loomTSUDAKOMA IND CO LTD·Filed 2021·Granted Apr 16, 2024·0 cites·9 claims
- 1757US7680228B2Communication system, real-time control device, and information processing systemHITACHI LTD·Filed 2004·Granted Mar 16, 2010·5 cites·10 claims
- 1854US12453011B2Electronic control deviceHITACHI ASTEMO LTD·Filed 2021·Granted Oct 21, 2025·0 cites·2 claims
- 1954US7146265B2Control device with time measuring functionHITACHI LTD·Filed 2004·Granted Dec 5, 2006·3 cites·12 claims
- 2050US11079730B2Control device comprising a processor and an ICHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2017·Granted Aug 3, 2021·0 cites·11 claims
- 2148US2011234304A1On-Chip Redundancy High-Reliable System and Method of Controlling the SameHITACHI LTD·Filed 2011·Application pending·0 cites
- 2244US6029630AEngine control device having an arrangement for limiting interrupt processingHITACHI LTD·Filed 1998·Granted Feb 29, 2000·10 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →