Inventor · disambiguated record
Hirofumi Ogata
Also filed as: OGATA HIROFUMI
12 granted patents·1 pending application·147 citations·filing 1988–2008
91Inventor score
Files withNSK WARNER KK13
Top patents by PatentIndex Score
13 records- 0195US6575275B2Ratchet one-way clutchNSK WARNER KK·Filed 2001·Granted Jun 10, 2003·45 cites·6 claims
- 0283US7040469B2One-way clutch apparatusNSK WARNER KK·Filed 2004·Granted May 9, 2006·20 cites·8 claims
- 0376US7849989B2One-way clutchNSK WARNER KK·Filed 2007·Granted Dec 14, 2010·5 cites·7 claims
- 0476US6530464B2One-way clutch deviceNSK WARNER KK·Filed 2001·Granted Mar 11, 2003·17 cites·9 claims
- 0573US5722521ARoller type one-way clutchNSK WARNER KK·Filed 1996·Granted Mar 3, 1998·24 cites·3 claims
- 0660US7357234B2Roller type one-way clutch and roller for the roller type one-way clutchNSK WARNER KK·Filed 2005·Granted Apr 15, 2008·3 cites·4 claims
- 0759US6435326B2End bearings for one-way clutch, manufacturing process thereof, and one-way clutch provided with at least one of such end bearingsNSK WARNER KK·Filed 2000·Granted Aug 20, 2002·5 cites·6 claims
- 0850US6755292B2End bearing and one-way clutch deviceNSK WARNER KK·Filed 2002·Granted Jun 29, 2004·2 cites·6 claims
- 0948US5476165AFixing structure for outer ring member in one-way clutchNSK WARNER KK·Filed 1994·Granted Dec 19, 1995·10 cites·4 claims
- 1047US4960189ASerpentine-shaped sprag retainer of a sprag-synchronized one-way clutchNSK WARNER KK·Filed 1988·Granted Oct 2, 1990·8 cites·7 claims
- 1145US2008190728A1One-way clutchNSK WARNER KK·Filed 2008·Application pending·0 cites
- 1244US5634540AFixing structure for outer ring in one-way clutchNSK WARNER KK·Filed 1994·Granted Jun 3, 1997·8 cites·4 claims
- 1340US8047347B2Outer retainer for one-way clutchNSK WARNER KK·Filed 2008·Granted Nov 1, 2011·0 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →