Hiroshi Ohashi

Follow

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Current limiting breaking device using electromagnetic repulsion coil
- Patent number 6,097,246
- Issue date Aug 1, 2000
- Kabushiki Kaisha Toshiba
- Kazuyuki Tsurunaga
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Operation apparatus of circuit breaker
- Patent number 6,020,567
- Issue date Feb 1, 2000
- Kabushiki Kaisha Toshiba
- Yoshinobu Ishikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vacuum interrupter device
- Patent number 4,104,496
- Issue date Aug 1, 1978
- Tokyo Shibaura Electric Co., Ltd.
- Hiroshi Koike
- H01 - BASIC ELECTRIC ELEMENTS