Inventor · disambiguated record
Yukihisa Tsumori
Also filed as: TSUMORI YUKIHISA
4 granted patents·2 pending applications·55 citations·filing 1987–2016
75Inventor score
Top patents by PatentIndex Score
6 records- 0170US7931410B2Machined cage for cylindrical roller bearing and method of manufacturing the sameNTN TOYO BEARING CO LTD·Filed 2005·Granted Apr 26, 2011·5 cites·2 claims
- 0267US4846592ARolling bearingNTN TOYO BEARING CO LTD·Filed 1988·Granted Jul 11, 1989·26 cites·7 claims
- 0360US4856916AConducting rolling bearingNTN TOYO BEARING CO LTD·Filed 1987·Granted Aug 15, 1989·22 cites·7 claims
- 0457US7712966B2Cylindrical roller bearingNTN TOYO BEARING CO LTD·Filed 2005·Granted May 11, 2010·2 cites·4 claims
- 0549US2011116734A1Punched retainer, self-aligning roller bearing, and method of manufacturing punched retainerUMEMOTO TAKEHIKO·Filed 2009·Application pending·0 cites
- 0636US2019360597A1Sealing device for bearing housingNTN TOYO BEARING CO LTD·Filed 2016·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Yukihisa Tsumori files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →