Kouji Hirotsune

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Fukuyama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Circuit breaker
- Patent number 5,650,907
- Issue date Jul 22, 1997
- Mitsubishi Denki Kabushiki Kaisha
- Kazuhiro Ishii
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Circuit breaker with detachable tripping tester
- Patent number 5,173,833
- Issue date Dec 22, 1992
- Mitsubishi Denki Kabushiki Kaisha
- Kouji Hirotsune
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Four-pole circuit breaker
- Patent number 5,170,309
- Issue date Dec 8, 1992
- Mitsubishi Denki Kabushiki Kaisha
- Kazuhiro Ishii
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Overcurrent protection apparatus
- Patent number 5,124,875
- Issue date Jun 23, 1992
- Mitsubishi Denki Kabushiki Kaisha
- Kazuhiro Ishii
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Prealarm circuit breaker
- Patent number 5,086,366
- Issue date Feb 4, 1992
- Mitsubishi Denki Kabushiki Kaisha
- Kazuhiro Ishii
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER