Inventor
TOKUSHIMA HIDEKAZU
JP12 patents
⚠️ This page may combine multiple inventors who share the name “TOKUSHIMA HIDEKAZU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI POWDERED METALS
5 patentsUS6851859B2Feb 8, 2005
Bearing unit, production method therefor and spindle motor
HITACHI POWDERED METALS18 citations92
US6756715B2Jun 29, 2004
Spindle motor
HITACHI POWDERED METALS31 citations91
US9637811B2May 2, 2017
Iron-based sintered sliding member and production method therefor
HITACHI POWDERED METALS3 citations71
US6737016B2May 18, 2004
Process for manufacturing sintered slide bearing
HITACHI POWDERED METALS10 citations71
US9441286B2Sep 13, 2016
Oil-impregnated sintered bearing and production method therefor
HITACHI POWDERED METALS1 citations51
HITACHI LTD
4 patentsUS5834870ANov 10, 1998
Oil impregnated porous bearing units and motors provided with same
HITACHI LTD58 citations94
US5821655AOct 13, 1998
Magnetic fluid bearing unit structure and motor having the same
HITACHI LTD24 citations91
US5645355AJul 8, 1997
Bearing unit
HITACHI LTD27 citations91
US6822358B2Nov 23, 2004
Spindle motor and manufacture thereof
HITACHI LTD7 citations71
HITACHI CHEMICAL CO LTD
3 patentsUS10150162B2Dec 11, 2018
Iron-based sintered alloy for sliding member and production method therefor
HITACHI CHEMICAL CO LTD0 citations51
US9631669B2Apr 25, 2017
Oil-impregnated sintered bearing and production method therefor
HITACHI CHEMICAL CO LTD1 citations51
US9404535B2Aug 2, 2016
Sliding bearing assembly
HITACHI CHEMICAL CO LTD0 citations48