P

Inventor

TAKEHANA TOSHIKAZU

JP7 patents
⚠️ This page may combine multiple inventors who share the name “TAKEHANA TOSHIKAZU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI POWDERED METALS

3 patents
US6851859B2Feb 8, 2005

Bearing unit, production method therefor and spindle motor

HITACHI POWDERED METALS18 citations92
US6756715B2Jun 29, 2004

Spindle motor

HITACHI POWDERED METALS31 citations91
US7264871B2Sep 4, 2007

Health promoting appliance

HITACHI POWDERED METALS1 citations51

HITACHI LTD

2 patents
US6574186B2Jun 3, 2003

Assembly method of motor using magnetic lubrication fluid

HITACHI LTD24 citations92
US6822358B2Nov 23, 2004

Spindle motor and manufacture thereof

HITACHI LTD7 citations71

HITACHI POWDERED METAL CO LTD

2 patents
US6049983AApr 18, 2000

Method for producing a sintered porous bearing and the sintered porous bearing

HITACHI POWDERED METAL CO LTD14 citations71
US6361737B1Mar 26, 2002

Method for producing a sintered porous bearing and the sintered porous bearing

HITACHI POWDERED METAL CO LTD5 citations60