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Kouhei Fujiwara
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Fukuyama, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Circuit breaker
Patent number
5,457,295
Issue date
Oct 10, 1995
Mitsubishi Denki Kabushiki Kaisha
Toshiyuki Tanibe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Air circuit breaker
Patent number
D347623
Issue date
Jun 7, 1994
Mitsubishi Denki Kabushiki Kaisha
Masakatsu Suzuki
D13 - Equipment for production, distribution, or transformation of energy
Information
Patent Grant
Multipole circuit breaker
Patent number
4,931,602
Issue date
Jun 5, 1990
Mitsubishi Denki Kabushiki Kaisha
Haruhisa Toda
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Circuit breaker with extended contact separation after trip
Patent number
4,321,440
Issue date
Mar 23, 1982
Mitsubishi Denki Kabushiki Kaisha
Kouhei Fujiwara
H01 - BASIC ELECTRIC ELEMENTS