Inventor
NAKAGAWA YOSHITAKA
JP16 patents
⚠️ This page may combine multiple inventors who share the name “NAKAGAWA YOSHITAKA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOYO SEIKO CO
11 patentsUS6394249B1May 28, 2002
One-way clutch
KOYO SEIKO CO26 citations92
US6343682B1Feb 5, 2002
One-way clutch
KOYO SEIKO CO21 citations91
US5860748AJan 19, 1999
Sealing device for roller bearing
KOYO SEIKO CO42 citations91
US6827496B2Dec 7, 2004
Four-point contact ball bearing
KOYO SEIKO CO17 citations84
US6116393ASep 12, 2000
Pulley unit
KOYO SEIKO CO16 citations83
US6095301AAug 1, 2000
Pulley unit
KOYO SEIKO CO17 citations83
US7201685B2Apr 10, 2007
Pulley unit
KOYO SEIKO CO18 citations82
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
US6726728B2Apr 27, 2004
Rolling bearing
KOYO SEIKO CO2 citations62
US6966558B2Nov 22, 2005
Sealing device for rolling bearing
KOYO SEIKO CO4 citations57