Inventor · disambiguated record
Hisashi Yokoyama
Also filed as: YOKOYAMA HISASHI
17 granted patents·1 pending application·198 citations·filing 1992–2023
93Inventor score
Top patents by PatentIndex Score
18 records- 0184US5246199ASolenoid valveMITSUBISHI ELECTRIC CORP·Filed 1992·Granted Sep 21, 1993·54 cites·18 claims
- 0280US6473958B2Motor shaft for rotational-to-direct motion converting motor and method of manufacturing the motor shaftMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Nov 5, 2002·22 cites·2 claims
- 0374US6672293B1Exhaust gas recirculating valve deviceMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Jan 6, 2004·16 cites·7 claims
- 0474US6227183B1Mounting device for exhaust gas re-circulation valveMITSUBISHI ELECTRIC CORP·Filed 1998·Granted May 8, 2001·29 cites·9 claims
- 0570US6708675B2Exhaust gas recirculation valveMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Mar 23, 2004·15 cites·6 claims
- 0664US8973891B2Air bypass valve deviceMAEDA RYUICHI·Filed 2010·Granted Mar 10, 2015·4 cites·8 claims
- 0762US6325055B1Flow control valveMITSUBISHI ELECTRIC CORP·Filed 1998·Granted Dec 4, 2001·20 cites·10 claims
- 0859US6789532B2Mounting device for exhaust gas recirculation valveMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Sep 14, 2004·8 cites·7 claims
- 0958US2025140279A1Noise Calculation Device and Sound Collection SystemHITACHI CONSTRUCTION MACH CO·Filed 2023·Application pending·0 cites
- 1057US6453891B2Exhaust gas recirculation valve deviceMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Sep 24, 2002·8 cites·6 claims
- 1156US7543576B2Exhaust-gas recirculation systemMITSUBISHI ELECTRIC CORP·Filed 2005·Granted Jun 9, 2009·2 cites·6 claims
- 1253US6302090B1Valve device and valve control methodMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Oct 16, 2001·5 cites·10 claims
- 1351USD438515SPortion of heat sinkMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Mar 6, 2001·8 cites·1 claims
- 1442US11655774B2Injector failure diagnostic device and injector failure diagnostic methodHITACHI CONSTRUCTION MACH CO·Filed 2020·Granted May 23, 2023·0 cites·6 claims
- 1541US11732669B2Injector diagnosis device and injector diagnosis methodHITACHI CONSTRUCTION MACH CO·Filed 2020·Granted Aug 22, 2023·0 cites·15 claims
- 1636US6581903B2Electrical flow control valveMITSUBISHI ELECTRIC CORP·Filed 1998·Granted Jun 24, 2003·7 cites·3 claims
- 1729USD445430SPortion of valve bodyMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Jul 24, 2001·0 cites·1 claims
- 1829USD445431SExhaust gas recirculation valveMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Jul 24, 2001·0 cites·1 claims
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