Inventor · disambiguated record

Ryouji Yoneyama

Also filed as: YONEYAMA RYOUJI

3 granted patents·118 citations·filing 1999–2002

74Inventor score

Technology areasF16C

Files withSEIKO INSTR INC3

Top patents by PatentIndex Score

3 records

0192US6307291B1Hydraulic dynamic bearing and spindle motor and rotary assembly providedSEIKO INSTR INC·Filed 1999·Granted Oct 23, 2001·59 cites·54 claims
0290US6371650B1Hydraulic dynamic bearing and spindle motor and rotary assembly providedSEIKO INSTR INC·Filed 1999·Granted Apr 16, 2002·52 cites·46 claims
0358US7438476B2Hydraulic dynamic bearing and spindle motorSEIKO INSTR INC·Filed 2002·Granted Oct 21, 2008·7 cites·10 claims

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