Inventor

UMEYA EIJI

JP3 patents

Patents

3 patents

US4408107AOct 4, 1983

Vacuum interrupter

MEIDENSHA ELECTRIC MFG CO LTD16 citations71

US4446346AMay 1, 1984

Vacuum interrupter

MEIDENSHA ELECTRIC MFG CO LTD10 citations70

US3941960AMar 2, 1976

Vacuum power circuit breaker

MEIDENSHA ELECTRIC MFG CO LTD3 citations58