Inventor

ABO YASUNARI

JP3 patents

Patents

3 patents

US6893372B2May 17, 2005

Roller bearing, transmission using the same and differential gear

KOYO SEIKO CO7 citations71

US6789949B2Sep 14, 2004

Roller bearing having streaked grinding trail on roller end face

KOYO SEIKO CO4 citations60

US6817768B2Nov 16, 2004

Roller bearing

KOYO SEIKO CO1 citations49