Inventor · disambiguated record
Yoshihiko Hayama
Also filed as: HAYAMA YOSHIHIKO
4 granted patents·1 pending application·75 citations·filing 1999–2006
78Inventor score
Top patents by PatentIndex Score
5 records- 0180US7690999B2Shaft couplingNTN TOYO BEARING CO LTD·Filed 2004·Granted Apr 6, 2010·16 cites·25 claims
- 0270US6280338B1Plunging constant velocity universal joint for propeller shaftNTN TOYO BEARING CO LTD·Filed 2000·Granted Aug 28, 2001·30 cites·2 claims
- 0365US7785205B2Cross groove constant velocity universal jointNTN TOYO BEARING CO LTD·Filed 2006·Granted Aug 31, 2010·10 cites·6 claims
- 0465US6332844B1Propeller shaft and constant velocity universal joint for a propeller shaftNTN TOYO BEARING CO LTD·Filed 1999·Granted Dec 25, 2001·19 cites·6 claims
- 0536US2007135221A1Cross groove constant velocity universal jointUNE NAOHIRO·Filed 2006·Application pending·0 cites
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