Inventor · disambiguated record
Osamu Kawamura
Also filed as: KAWAMURA OSAMU
20 granted patents·4 pending applications·420 citations·filing 1979–2011
96Inventor score
Files withNIPPON PISTON RING CO LTD9HONDA MOTOR CO LTD2KAWAMURA OSAMU2MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2PANASONIC CORP2
Top patents by PatentIndex Score
24 records- 0193US6728271B1Stream demultiplexing deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Apr 27, 2004·64 cites·22 claims
- 0291US5273570ASecondary hardening type high temperature wear-resistant sintered alloyHONDA MOTOR CO LTD·Filed 1992·Granted Dec 28, 1993·46 cites·7 claims
- 0382US5895517ASintered Fe alloy for valve seatNIPPON PISTON RING CO LTD·Filed 1997·Granted Apr 20, 1999·35 cites·8 claims
- 0482US5466276AValve seat made of secondary hardening-type high temperature wear-resistant sintered alloyHONDA MOTOR CO LTD·Filed 1993·Granted Nov 14, 1995·27 cites·7 claims
- 0582US5107951ADevice for driving four wheels of car at all timesSHINWA SANGYO KK·Filed 1987·Granted Apr 28, 1992·41 cites·4 claims
- 0681US5337872ASynchronizer ringNIPPON PISTON RING CO LTD·Filed 1992·Granted Aug 16, 1994·29 cites·10 claims
- 0772US4870931ARocker arm having wear resistant scuffing resistant portionNIPPON PISTON RING CO LTD·Filed 1988·Granted Oct 3, 1989·22 cites·2 claims
- 0870US5370725ASynchronizer ringNIPPON PISTON RING CO LTD·Filed 1993·Granted Dec 6, 1994·19 cites·2 claims
- 0967US5030185ALimited slip differentialKAWAMURA OSAMU·Filed 1990·Granted Jul 9, 1991·31 cites·5 claims
- 1064US5249661ASynchronizer ringNIPPON PISTON RING CO LTD·Filed 1992·Granted Oct 5, 1993·17 cites·15 claims
- 1163US4283217AMethod of forming a shaped fluorescent light bulb envelopeKAWAMURA OSAMU·Filed 1979·Granted Aug 11, 1981·14 cites·5 claims
- 1258US7093825B2HandrailANECOM JAPAN CO LTD·Filed 2003·Granted Aug 22, 2006·10 cites·5 claims
- 1358US6649564B1Information recording sheet and method of manufacturing information recording sheetSONY CHEMICALS CORP·Filed 2000·Granted Nov 18, 2003·2 cites·3 claims
- 1457US6477606B1Bus system and a master device that stabilizes bus electric potential during non-access periodsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Nov 5, 2002·29 cites·6 claims
- 1550US2009195542A1Image processing apparatusPANASONIC CORP·Filed 2007·Application pending·0 cites
- 1648US2010332690A1Processor performance analysis device, method, and simulatorPANASONIC CORP·Filed 2009·Application pending·0 cites
- 1747US5195473ARocker arm and method of castingNISSAN MOTOR·Filed 1992·Granted Mar 23, 1993·8 cites·7 claims
- 1846US5803037AJoined type valve seatNIPPON PISTON RING CO LTD·Filed 1997·Granted Sep 8, 1998·9 cites·8 claims
- 1943US5096515AHigh strength high chromium cast iron and valve rocker arm made thereofNIPPON PISTON RING CO LTD·Filed 1989·Granted Mar 17, 1992·8 cites·10 claims
- 2043US2004091104A1Parallel stream operation apparatus, method therefor, and parallel stream operation programFiled 2003·Application pending·0 cites
- 2139US2011289302A1Data processing device and methodUBUKATA ATSUSHI·Filed 2011·Application pending·0 cites
- 2238US5778530AMethod of manufacturing a camshaftNIPPON PISTON RING COMPANY LTD·Filed 1996·Granted Jul 14, 1998·7 cites·4 claims
- 2333US5542990ACamshaftNIPPON PISTON RING CO LTD·Filed 1994·Granted Aug 6, 1996·2 cites·5 claims
- 2429US4409294ASliding member for use in an internal combustion engineNIPPON PISTON RING CO LTD·Filed 1981·Granted Oct 11, 1983·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →