Inventor · disambiguated record
Ritsuo Toya
Also filed as: TOYA RITSUO
11 granted patents·6 pending applications·47 citations·filing 2005–2014
88Inventor score
Top patents by PatentIndex Score
17 records- 0191US7789209B2Friction plate and wet-type multi-plate clutchNSK WARNER KK·Filed 2006·Granted Sep 7, 2010·14 cites·11 claims
- 0283US7779980B2Wet multi-plate clutchNSK WARNER KK·Filed 2007·Granted Aug 24, 2010·8 cites·13 claims
- 0380US7823712B2Wet-type multi-plate clutchNSK WARNER KK·Filed 2007·Granted Nov 2, 2010·5 cites·6 claims
- 0473US8037987B2Wet-type multi-plate clutchNSK WARNER KK·Filed 2010·Granted Oct 18, 2011·2 cites·10 claims
- 0571US7770708B2Wet-type multi-plate clutchNSK WARNER KK·Filed 2007·Granted Aug 10, 2010·4 cites·25 claims
- 0670US7322453B2Lockup clutch assemblyNSK WARNER KK·Filed 2005·Granted Jan 29, 2008·5 cites·4 claims
- 0769US7731005B2Lock-up clutch mechanism for torque converterNSK WARNER KK·Filed 2006·Granted Jun 8, 2010·5 cites·14 claims
- 0863US7597180B2Friction plate for wet-type multiplate clutchNSK WARNER KK·Filed 2007·Granted Oct 6, 2009·2 cites·3 claims
- 0956US7757827B2Lockup clutchNSK WARNER KK·Filed 2006·Granted Jul 20, 2010·2 cites·2 claims
- 1049US10132368B2Roller-type one-way clutch and side plateNSK WARNER KK·Filed 2014·Granted Nov 20, 2018·0 cites·16 claims
- 1145US2007295574A1Wet friction plate and wet multi plate clutchNSK WARNER KK·Filed 2007·Application pending·0 cites
- 1244US8403122B2Wet-type multi-plate clutchTOYA RITSUO·Filed 2011·Granted Mar 26, 2013·0 cites·16 claims
- 1344US2007151822A1Wet-type multi-plate clutchNSK WARNER KK·Filed 2006·Application pending·0 cites
- 1442US2006131125A1Wet type friction plateNSK WARNER KK·Filed 2005·Application pending·0 cites
- 1541US2007119674A1Lockup clutchNSK WARNER KK·Filed 2006·Application pending·0 cites
- 1640US2008236985A1Wet type friction plateTOYA RITSUO·Filed 2008·Application pending·0 cites
- 1736US2007272508A1Wet multi-plate clutch of mechanical coupling typeTOYA RITSUO·Filed 2007·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →