Inventor
TAZUMI HAJIME
JP11 patents
Patents
11 patentsUS6394249B1May 28, 2002
One-way clutch
KOYO SEIKO CO26 citations92
US5539844AJul 23, 1996
Ball bearing cages and ball bearings
KOYO SEIKO CO20 citations92
US6343682B1Feb 5, 2002
One-way clutch
KOYO SEIKO CO21 citations91
US6116393ASep 12, 2000
Pulley unit
KOYO SEIKO CO16 citations83
US6095301AAug 1, 2000
Pulley unit
KOYO SEIKO CO17 citations83
US6311814B1Nov 6, 2001
One-way clutch
KOYO SEIKO CO10 citations72
US6138804AOct 31, 2000
One-way clutch and auxiliary machine using the same
KOYO SEIKO CO11 citations72
US6745472B2Jun 8, 2004
Manufacturing method of steel ball for rolling bearing
KOYO SEIKO CO11 citations71
US6726728B2Apr 27, 2004
Rolling bearing
KOYO SEIKO CO2 citations62
US6858100B2Feb 22, 2005
Rolling bearing
KOYO SEIKO CO0 citations52
US6547442B1Apr 15, 2003
Rolling bearing
KOYO SEIKO CO1 citations51