Inventor
HAMASAKA NAOJI
JP6 patents
Patents
6 patentsUS6258179B1Jul 10, 2001
Carburized parts, method for producing same and carburizing system
KOMATSU MFG CO LTD91 citations97
US6447619B1Sep 10, 2002
High surface pressure resistant steel parts and methods of producing same
KOMATSU MFG CO LTD37 citations92
US6413328B2Jul 2, 2002
High surface pressure resistant steel parts and methods of producing same
KOMATSU MFG CO LTD33 citations92
US5911780AJun 15, 1999
Gear shot peening method
KOMATSU MFG CO LTD22 citations91
US6270595B1Aug 7, 2001
Bushing for crawler belt and method of manufacture
KOMATSU MFG CO LTD31 citations90
US5624255AApr 29, 1997
Multipurpose controlled atmosphere heat treatment system
KOMATSU MFG CO LTD30 citations88