Membership
Tour
Register
Log in
Kastuichi Kashimura
Follow
Person
Takahagi, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Puffer type gas circuit breaker
Patent number
5,814,781
Issue date
Sep 29, 1998
Hitachi, Ltd.
Osamu Koyanagi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Synthetic equivalent test circuit of circuit breaker
Patent number
5,153,518
Issue date
Oct 6, 1992
Hitachi, Ltd.
Minori Satoh
G01 - MEASURING TESTING
Information
Patent Grant
Circuit breaker
Patent number
5,039,831
Issue date
Aug 13, 1991
Hitachi, Ltd.
Minori Sato
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER