Inventor · disambiguated record
Kazuhiko Muramatsu
Also filed as: MURAMATSU KAZUHIKO
32 granted patents·4 pending applications·267 citations·filing 1996–2012
97Inventor score
Top patents by PatentIndex Score
36 records- 0195US6575275B2Ratchet one-way clutchNSK WARNER KK·Filed 2001·Granted Jun 10, 2003·45 cites·6 claims
- 0292US6679364B2One-way clutch assemblyNSK WARNER KK·Filed 2002·Granted Jan 20, 2004·29 cites·4 claims
- 0391US7740118B2Roller-type one-way clutchNSK WARNER KK·Filed 2007·Granted Jun 22, 2010·13 cites·6 claims
- 0491US6338402B1Oneway clutchNSK WARNER KK·Filed 2000·Granted Jan 15, 2002·28 cites·4 claims
- 0587US8662271B2Differentially controllable two-way clutchIWANO AKIRA·Filed 2010·Granted Mar 4, 2014·9 cites·5 claims
- 0679US6557681B2Ratchet type one-way clutch and method of manufacturing the sameNSK WARNER KK·Filed 2001·Granted May 6, 2003·18 cites·4 claims
- 0778US7506738B2One-way clutch of sprag typeNSK WARNER KK·Filed 2006·Granted Mar 24, 2009·6 cites·4 claims
- 0876US7849989B2One-way clutchNSK WARNER KK·Filed 2007·Granted Dec 14, 2010·5 cites·7 claims
- 0973US7861836B2Roller-type one-way clutchNSK WARNER KK·Filed 2007·Granted Jan 4, 2011·4 cites·9 claims
- 1069US6044945AOneway clutch and outer race-retainer assembly for a oneway clutchNSK WARNER KK·Filed 1998·Granted Apr 4, 2000·21 cites·12 claims
- 1167US9327356B2Tooth flank machining device and gear manufacturing methodAISIN AI CO LTD·Filed 2012·Granted May 3, 2016·2 cites·16 claims
- 1263US7484606B2One-way clutch and sprag for the one-way clutchNSK WARNER KK·Filed 2005·Granted Feb 3, 2009·2 cites·3 claims
- 1360US6749051B2Ratchet one-way clutch and stator using ratchet one-way clutchNSK WARNER KK·Filed 2002·Granted Jun 15, 2004·5 cites·2 claims
- 1460US6533089B2Ratchet one-way clutchNSK WARNER KK·Filed 2001·Granted Mar 18, 2003·5 cites·15 claims
- 1558US7000749B2Ratchet one-way clutch, and stator apparatus using the sameNSK WARNER KK·Filed 2003·Granted Feb 21, 2006·7 cites·15 claims
- 1657US6830138B2StatorNSK WARNER KK·Filed 2003·Granted Dec 14, 2004·6 cites·2 claims
- 1757US6732844B2Ratchet one-way clutch and stator using ratchet one-way clutchNSK WARNER KK·Filed 2002·Granted May 11, 2004·4 cites·14 claims
- 1855US7032732B2Two-way clutchNSK WARNER KK·Filed 2004·Granted Apr 25, 2006·4 cites·18 claims
- 1952US6948228B2Ratchet type one-way clutch and method of manufacturing the sameNSK WARNER KK·Filed 2003·Granted Sep 27, 2005·2 cites·5 claims
- 2051US6933641B2Stator assemblyNSK WARNER KK·Filed 2002·Granted Aug 23, 2005·4 cites·8 claims
- 2150US6823973B2Ratchet one-way clutch and stator using ratchet one-way clutchNSK WARNER KK·Filed 2002·Granted Nov 30, 2004·2 cites·4 claims
- 2248US7353925B2Rotation-responsive type one-way clutchNSK WARNER KK·Filed 2005·Granted Apr 8, 2008·0 cites·8 claims
- 2348US6739441B2Ratchet one-way clutch and stator using ratchet one-way clutchNSK WARNER KK·Filed 2002·Granted May 25, 2004·1 cites·8 claims
- 2448US6715596B2One-way clutch for automatic transmissionNSK WARNER KK·Filed 2002·Granted Apr 6, 2004·1 cites·15 claims
- 2548US6138803ASprag type one-way clutchNSK WARNER KK·Filed 1998·Granted Oct 31, 2000·11 cites·6 claims
- 2647US7284646B2Rotary motion type one-way clutchNSK WARNER KK·Filed 2005·Granted Oct 23, 2007·0 cites·21 claims
- 2746US6092636AOneway clutchNSK WARNER KK·Filed 1998·Granted Jul 25, 2000·12 cites·15 claims
- 2846US6082511AOuter ring for one-way clutchNSK WARNER KK·Filed 1999·Granted Jul 4, 2000·8 cites·5 claims
- 2944US2007029153A1One-way clutchNSK WARNER KK·Filed 2006·Application pending·0 cites
- 3044US2006060442A1One-way clutchNSK WARNER KK·Filed 2005·Application pending·0 cites
- 3144US2006016659A1One-way clutchNSK WARNER KK·Filed 2005·Application pending·0 cites
- 3237US5782329AOne-way clutch assembly having dual spring supported spragsNSK WARNER KK·Filed 1996·Granted Jul 21, 1998·5 cites·6 claims
- 3337US2006219511A1One-way clutch and method for assembling sameNSK WARNER KK·Filed 2006·Application pending·0 cites
- 3436US6050378AOne-way clutchNSK WARNER KK·Filed 1998·Granted Apr 18, 2000·6 cites·31 claims
- 3531US5718314AOne-way clutch for statorNSK WARNER KK·Filed 1996·Granted Feb 17, 1998·1 cites·11 claims
- 3630US5799764ACage having a bearing for use in a one-way clutchNSK WARNER KK·Filed 1996·Granted Sep 1, 1998·1 cites·8 claims
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