Inventor · disambiguated record

Mitsumasa Yabutani

Also filed as: YABUTANI MITSUMASA

2 granted patents·56 citations·filing 1998–2005

64Inventor score

Technology areasB21D F16H

Files withUNIPRES CORP2

Top patents by PatentIndex Score

2 records

0183US7247114B2Automatic transmissionUNIPRES CORP·Filed 2005·Granted Jul 24, 2007·13 cites·7 claims
0281US6233999B1Method for ironing spline teeth in pressed stepped sheetmetal and sheetmetal clutch drum formed by sameUNIPRES CORP·Filed 1998·Granted May 22, 2001·43 cites·4 claims

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