Inventor · disambiguated record
Takashi Mukaihira
Also filed as: MUKAIHIRA TAKASHI
14 granted patents·461 citations·filing 1991–2006
95Inventor score
Files withHITACHI LTD14
Top patents by PatentIndex Score
14 records- 0196US5396176ACombustion condition diagnosis utilizing multiple sampling of ionic currentHITACHI LTD·Filed 1992·Granted Mar 7, 1995·55 cites·22 claims
- 0290US5964811AControl method and apparatus for diagnosing vehiclesHITACHI LTD·Filed 1997·Granted Oct 12, 1999·94 cites·37 claims
- 0388US6085132AControl method and apparatus for diagnosing vehiclesHITACHI LTD·Filed 1998·Granted Jul 4, 2000·44 cites·3 claims
- 0486US5341642ASystem for diagnosing engine exhaust gas purifying device and system for diagnosing sensorHITACHI LTD·Filed 1992·Granted Aug 30, 1994·42 cites·18 claims
- 0583US5526643ASystem for diagnosing deterioration of catalystHITACHI LTD·Filed 1994·Granted Jun 18, 1996·38 cites·14 claims
- 0680US5649420ASystem for diagnosing deterioration of catalystHITACHI LTD·Filed 1996·Granted Jul 22, 1997·38 cites·12 claims
- 0779US5557933AMalfunction diagnosis apparatus for internal combustion engineHITACHI LTD·Filed 1994·Granted Sep 24, 1996·30 cites·23 claims
- 0878US7424801B2System for diagnosing deterioration of catalystHITACHI LTD·Filed 2006·Granted Sep 16, 2008·8 cites·2 claims
- 0976US5400592ADiagnostic apparatus for catalytic converter of an internal combustion engineHITACHI LTD·Filed 1994·Granted Mar 28, 1995·47 cites·33 claims
- 1075US5143553AControl apparatus of ignition current conducting timeHITACHI LTD·Filed 1991·Granted Sep 1, 1992·19 cites·17 claims
- 1173US7114326B2System for diagnosing deterioration of catalystHITACHI LTD·Filed 2003·Granted Oct 3, 2006·17 cites·19 claims
- 1260US6343466B1System for diagnosing deterioration of catalystHITACHI LTD·Filed 2000·Granted Feb 5, 2002·9 cites·3 claims
- 1356US5819530AInternal combustion engine controller with exhaust gas purification catalyst and its deterioration monitoring systemHITACHI LTD·Filed 1992·Granted Oct 13, 1998·16 cites·16 claims
- 1438US5199405AIgnition current conduction time control apparatus for internal combustion engineHITACHI LTD·Filed 1991·Granted Apr 6, 1993·4 cites·10 claims
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