Inventor

NUMATA TETSUAKI

JP12 patents

⚠️ This page may combine multiple inventors who share the name “NUMATA TETSUAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KOYO SEIKO CO

7 patents

US5415258AMay 16, 1995

One-way clutch having an outer ring whose internal portion is as hard as its periphery

KOYO SEIKO CO22 citations91

US5642795AJul 1, 1997

One-way clutch

KOYO SEIKO CO8 citations73

US5291978AMar 8, 1994

One way clutch having outer and inner retainers each made of plastics

KOYO SEIKO CO9 citations72

US5632363AMay 27, 1997

One-way clutch

KOYO SEIKO CO12 citations71

US5076408ADec 31, 1991

One-way clutch having improved annular retainer plates

KOYO SEIKO CO13 citations66

US5632179AMay 27, 1997

Method of manufacturing an engaging element for one way clutch improving squareness of cam face relative to side surfaces

KOYO SEIKO CO2 citations62

US6279439B1Aug 28, 2001

Method for manufacturing a one-way clutch cage

KOYO SEIKO CO2 citations61

JTEKT CORP

2 patents

US7812599B2Oct 12, 2010

Magnetized pulsar ring, and rolling bearing device with sensor using the same

JTEKT CORP7 citations73

US7798723B2Sep 21, 2010

Rolling bearing assembly for wheel

JTEKT CORP4 citations62

TAIHO KOGYO CO LTD

1 patent

US5570766ANov 5, 1996

End bearing for one-way clutch

TAIHO KOGYO CO LTD8 citations71

KOYO SEIKYO CO LTD

1 patent

US5156245AOct 20, 1992

One-way clutch free from gear-tooth noise

KOYO SEIKYO CO LTD10 citations68

SKF FRANCE

1 patent

US6892868B2May 17, 2005

One-way clutch

SKF FRANCE5 citations61