Shunkichi Endoo

Follow

Person

Hitachi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Vacuum circuit breaker with improved contact assembly
- Patent number 5,691,521
- Issue date Nov 25, 1997
- Hitachi, Ltd.
- Katsuhiro Komuro
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vacuum circuit breaker
- Patent number 5,379,014
- Issue date Jan 3, 1995
- Hitachi, Ltd.
- Takashi Sato
- H01 - BASIC ELECTRIC ELEMENTS