-
Gas-blast circuit breaker
-
Patent number 10,991,529
-
Issue date Apr 27, 2021
-
Hitachi, Ltd.
-
Hideyuki Kotsuji
-
H01 - BASIC ELECTRIC ELEMENTS
-
Gas circuit breaker
-
Patent number 10,916,394
-
Issue date Feb 9, 2021
-
Hitachi, Ltd.
-
Toshiaki Sakuyama
-
H01 - BASIC ELECTRIC ELEMENTS
-
-
Gas circuit breaker
-
Patent number 10,699,863
-
Issue date Jun 30, 2020
-
Hitachi, Ltd.
-
Toshiaki Sakuyama
-
H01 - BASIC ELECTRIC ELEMENTS
-
Gas circuit breaker
-
Patent number 10,354,821
-
Issue date Jul 16, 2019
-
Hitachi, Ltd.
-
Toshiaki Sakuyama
-
H01 - BASIC ELECTRIC ELEMENTS
-
-