Membership
Tour
Register
Log in
Tutomu Kanno
Follow
Person
Hitachi, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Commutation type DC breaker
Patent number
5,452,170
Issue date
Sep 19, 1995
Hitachi, Ltd.
Shinichi Ohde
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Commutating type DC circuit breaker arrangement
Patent number
5,402,297
Issue date
Mar 28, 1995
Hitachi, Ltd.
Shigetoshi Ouchi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
DC power supply circuit arrangement
Patent number
5,115,389
Issue date
May 19, 1992
Hitachi, Ltd.
Shigetoshi Ouchi
H01 - BASIC ELECTRIC ELEMENTS