Inventor · disambiguated record

Youichi Matumoto

Also filed as: MATUMOTO YOUICHI

2 granted patents·20 citations·filing 1999–2002

60Inventor score

Technology areasF16C

Files withNSK LTD2

Top patents by PatentIndex Score

2 records

0159US6531000B1Surface treated rolling bearing and manufacturing method thereofNSK LTD·Filed 1999·Granted Mar 11, 2003·15 cites·2 claims
0257US6848832B2Surface-treated rolling bearing and manufacturing method thereofNSK LTD·Filed 2002·Granted Feb 1, 2005·5 cites·12 claims

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