Inventor

YABUTANI MITSUMASA

JP2 patents

Patents

2 patents

US6233999B1May 22, 2001

Method for ironing spline teeth in pressed stepped sheetmetal and sheetmetal clutch drum formed by same

UNIPRES CORP43 citations83

US7247114B2Jul 24, 2007

Automatic transmission

UNIPRES CORP13 citations81