Inventor · disambiguated record
Yuichi Kitahara
Also filed as: KITAHARA YUICHI · YAMASHITA HISAO
21 granted patents·7 pending applications·517 citations·filing 1995–2007
96Inventor score
Files withHITACHI LTD23HONDA MOTOR CO LTD2BABCOCK HITACHI KK1KAMIKAWA MASAYUKI1SHINKO ELECTRIC IND CO1
Top patents by PatentIndex Score
28 records- 0195US6200888B1Method of producing semiconductor device comprising insulation layer having improved resistance and semiconductor device produced therebySHINKO ELECTRIC IND CO·Filed 2000·Granted Mar 13, 2001·124 cites·12 claims
- 0294US6161378AExhaust gas purification apparatus of internal combustion engine and catalyst for purifying exhaust gas internal combustion engineHITACHI LTD·Filed 1997·Granted Dec 19, 2000·71 cites·29 claims
- 0385US6045764AExhaust gas purifying method and catalyst used thereforHITACHI LTD·Filed 1996·Granted Apr 4, 2000·68 cites·6 claims
- 0484US6397582B1Exhaust gas purification apparatus of internal combustion engine and catalyst for purifying exhaust gas of internal combustion engineHITACHI LTD·Filed 2000·Granted Jun 4, 2002·24 cites·20 claims
- 0577US6272848B1Exhaust gas cleaning apparatus and method for internal combustion engineHITACHI LTD·Filed 1998·Granted Aug 14, 2001·49 cites·24 claims
- 0671US6630115B1Exhaust emission control process for internal combustion enginesHITACHI LTD·Filed 1999·Granted Oct 7, 2003·30 cites·6 claims
- 0767US5791139AFuel injection control method for an internal-combustion engine provided with NOx reducing catalytic converter and fuel injection controllerHITACHI LTD·Filed 1995·Granted Aug 11, 1998·24 cites·7 claims
- 0865US7010910B2Exhaust gas purification apparatusHITACHI LTD·Filed 2003·Granted Mar 14, 2006·13 cites·14 claims
- 0964US7438866B2Emission gas purification catalyst and internal combustion engine provided with the catalystHITACHI LTD·Filed 2001·Granted Oct 21, 2008·6 cites·7 claims
- 1064US5968870ACatalyst for purifying exhaust gas from internal combustion engine and purifying method thereofHITACHI LTD·Filed 1997·Granted Oct 19, 1999·24 cites·11 claims
- 1162US6841511B2Internal combustion engine exhaust gas purification apparatus, exhaust gas purification process and exhaust gas purification catalystHITACHI LTD·Filed 2003·Granted Jan 11, 2005·8 cites·12 claims
- 1262US6517784B1Exhaust gas purifying apparatus for an internal combustion engineHITACHI LTD·Filed 2000·Granted Feb 11, 2003·8 cites·6 claims
- 1360US6401454B2Engine control deviceHITACHI LTD·Filed 2001·Granted Jun 11, 2002·10 cites·23 claims
- 1457US7093432B2Exhaust gas purification apparatus of internal combustion engine and catalyst for purifying exhaust gas of internal combustion engineHONDA MOTOR CO LTD·Filed 2002·Granted Aug 22, 2006·5 cites·6 claims
- 1552US2007204595A1Exhaust Gas Purification Apparatus of Internal Combustion Engine and Catalyst for Purifying Exhaust Gas of Internal Combustion EngineHONDA MOTOR CO LTD·Filed 2007·Application pending·0 cites
- 1648US6883305B1Method for cleaning exhaust gas from an internal combustion engineHITACHI LTD·Filed 2000·Granted Apr 26, 2005·3 cites·15 claims
- 1747US6823659B2Moisture removal device and method thereof for internal combustion engine use exhaust gas cleaning deviceHITACHI LTD·Filed 2003·Granted Nov 30, 2004·4 cites·4 claims
- 1844US6093377ARemoval of nitrogen oxides from exhaust gas using catalystHITACHI LTD·Filed 1996·Granted Jul 25, 2000·11 cites·8 claims
- 1944US5972828AMethod of manufacturing catalyst for cleaning exhaust gas released from internal combustion engine, and catalyst for the sameHITACHI LTD·Filed 1997·Granted Oct 26, 1999·12 cites·11 claims
- 2044US2005089456A1Exhaust gas purifcation apparatus of internal combustion engine and catalyst for purifying exhaust gas of internal combustion engineHITACHI LTD·Filed 2004·Application pending·0 cites
- 2143US2006029526A1Exhaust gas purification filter for diesel internal combustion engine and method for manufacturing the same and exhaust gas purification apparatusHITACHI LTD·Filed 2005·Application pending·0 cites
- 2242US6305161B1Method of purifying exhaust gas of internal combustion engine and apparatus thereofHITACHI LTD·Filed 1998·Granted Oct 23, 2001·12 cites·9 claims
- 2342US2005188684A1Apparatus and method for purifying exhaust gas of internal combustion engineHITACHI LTD·Filed 2005·Application pending·0 cites
- 2441US2007144143A1Exhaust gas purification apparatus, exhaust gas purification method, and sulfur component trapping agent for internal combustion engineBABCOCK HITACHI KK·Filed 2004·Application pending·0 cites
- 2540US2003154713A1Exhaust gas purifying device for internal combustion engineHITACHI LTD·Filed 2003·Application pending·0 cites
- 2635US6212880B1Engine control deviceHITACHI LTD·Filed 1996·Granted Apr 10, 2001·7 cites·37 claims
- 2734US6596247B1Method for purifying exhaust gas from internal combustion enginesHITACHI LTD·Filed 1999·Granted Jul 22, 2003·4 cites·8 claims
- 2829US2006107649A1Apparatus and method for clarifying exhaust gas of diesel engineKAMIKAWA MASAYUKI·Filed 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →