Inventor · disambiguated record
Ryoji Yoneyama
Also filed as: YONEYAMA RYOJI
4 granted patents·1 pending application·36 citations·filing 1999–2004
74Inventor score
Files withSEIKO INSTR INC4
Top patents by PatentIndex Score
5 records- 0176US6552456B2Hydraulic dynamic pressure bearing motorSEIKO INSTR INC·Filed 2001·Granted Apr 22, 2003·17 cites·17 claims
- 0255US6575633B2Hydraulic bearing motorSEIKO INSTR INC·Filed 2001·Granted Jun 10, 2003·6 cites·10 claims
- 0347US7191806B2Oil injecting apparatusSEIKO INSTR INC·Filed 2004·Granted Mar 20, 2007·3 cites·9 claims
- 0438US6371649B1Method for lubricating a fluid dynamic pressure bearingSEIKO INSTR INC·Filed 1999·Granted Apr 16, 2002·10 cites·9 claims
- 0534US2002096962A1Spindle motorFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →