P

Inventor

OKABE HITOSHI

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

HITACHI LTD

4 patents
US6248969B1Jun 19, 2001

Vacuum circuit breaker, and vacuum bulb and vacuum bulb electrode used therefor

HITACHI LTD24 citations92
US6437275B1Aug 20, 2002

Vacuum circuit-breaker, vacuum bulb for use therein, and electrodes thereof

HITACHI LTD27 citations91
US5763848AJun 9, 1998

Electrode for vacuum circuit breaker

HITACHI LTD16 citations73
US4833562AMay 23, 1989

Rotary magnetic head cylinder device for suppressing vibrations ofa magnetic tape

HITACHI LTD13 citations69

TOKAI RYOKAKU TETSUDO KK

1 patent
US6902488B2Jun 7, 2005

Lateral steady acceleration simulation system for railway vehicle

TOKAI RYOKAKU TETSUDO KK11 citations72

NOK CORP

1 patent
US10100881B2Oct 16, 2018

Clutch seal

NOK CORP0 citations37

TSUTSUMIZAKI TAKASHI

1 patent
US8336514B2Dec 25, 2012

Internal combustion engine including plasma generating device

TSUTSUMIZAKI TAKASHI0 citations33