Inventor · disambiguated record
Kenji Matsunuma
Also filed as: MATSUNUMA KENJI
25 granted patents·450 citations·filing 1989–2000
97Inventor score
Top patents by PatentIndex Score
25 records- 0187US5776600ASlide member and method of manufacturing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1996·Granted Jul 7, 1998·47 cites·26 claims
- 0285US5675201AComposite bearing structureSUMITOMO ELECTRIC INDUSTRIES·Filed 1994·Granted Oct 7, 1997·43 cites·23 claims
- 0385US5280208AComposite bearing structureSUMITOMO ELECTRIC INDUSTRIES·Filed 1992·Granted Jan 18, 1994·45 cites·41 claims
- 0478US6013118AParticulate trap for a diesel engineSUMITOMO ELECTRIC INDUSTRIES·Filed 1996·Granted Jan 11, 2000·57 cites·7 claims
- 0577US6367433B2Electromagnetic actuator and valve-open-close mechanismITAMI WORKS OF SUMITOMO ELECTR·Filed 2000·Granted Apr 9, 2002·16 cites·5 claims
- 0675US6380832B2Electromagnetic actuatorITAMI WORKS OF SUMITOMO ELECTR·Filed 2000·Granted Apr 30, 2002·20 cites·5 claims
- 0772US6120583AExhaust gas purifier and operating method thereofSUMITOMO ELECTRIC INDUSTRIES·Filed 1998·Granted Sep 19, 2000·35 cites·3 claims
- 0871US5297365AMethod of machining silicon nitride ceramics and silicon nitride ceramics productsSUMITOMO ELECTRIC INDUSTRIES·Filed 1992·Granted Mar 29, 1994·20 cites·2 claims
- 0970US5502011ASilicon nitride sintered bodySUMITOMO ELECTRIC INDUSTRIES·Filed 1994·Granted Mar 26, 1996·21 cites·2 claims
- 1068US5173458ASilicon nitride sintered body and process for producing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1991·Granted Dec 22, 1992·22 cites·6 claims
- 1166US5234642AHigh strength silicon nitride sintered body and process for producing sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1989·Granted Aug 10, 1993·16 cites·11 claims
- 1265US6566990B2Electromagnetic actuator and valve-open-close mechanismITAMI WORKS OF SUMITOMO ELECTR·Filed 2000·Granted May 20, 2003·10 cites·11 claims
- 1360US6371063B2Valve-open-close mechanismSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted Apr 16, 2002·15 cites·10 claims
- 1456US5275772ASilicon nitride sintered body and process for producing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1992·Granted Jan 4, 1994·11 cites·1 claims
- 1554US5204297ASilicon nitride sintered body and process for producing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1992·Granted Apr 20, 1993·10 cites·5 claims
- 1653US5543371ASlide member and method of manufacturing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1993·Granted Aug 6, 1996·9 cites·8 claims
- 1749US5782941AParticulate trap for diesel engineSUMITOMO ELECTRIC INDUSTRIES·Filed 1996·Granted Jul 21, 1998·18 cites·5 claims
- 1844US5647313ACombination of adjusting shim and camSUMITOMO ELECTRIC INDUSTRIES·Filed 1994·Granted Jul 15, 1997·10 cites·8 claims
- 1943US5372099ACeramic adjusting shimSUMITOMO ELECTRIC INDUSTRIES·Filed 1993·Granted Dec 13, 1994·9 cites·4 claims
- 2039US5328876AHigh strength silicon nitride sintered body and process for producing sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1992·Granted Jul 12, 1994·4 cites·2 claims
- 2135US5225127AProcess for production of sintered silicon nitride made articleSUMITOMO ELECTRIC INDUSTRIES·Filed 1992·Granted Jul 6, 1993·3 cites·2 claims
- 2234US5605494AFacility for grinding silicon nitride ceramic workpieceSUMITOMO ELECTRIC INDUSTRIES·Filed 1995·Granted Feb 25, 1997·3 cites·6 claims
- 2334US5584745AMethod of machining silicon nitride ceramics and silicon nitride ceramics productsSUMITOMO ELECTRIC INDUSTRIES·Filed 1993·Granted Dec 17, 1996·2 cites·24 claims
- 2432US5346869ASintered silicon nitride bodies suitable for use as high impact materialsSUMITOMO ELECTRIC INDUSTRIES·Filed 1993·Granted Sep 13, 1994·3 cites·1 claims
- 2531US5358797AAdjusting shimSUMITOMO ELECTRIC INDUSTRIES·Filed 1992·Granted Oct 25, 1994·1 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →