Inventor
KOGUCHI YOSHIO
JP5 patents
Patents
5 patentsUS6048216AApr 11, 2000
Vacuum circuit breaker as well as vacuum valve and electric contact used in same
HITACHI LTD18 citations92
US5852266ADec 22, 1998
Vacuum circuit breaker as well as vacuum valve and electric contact used in same
HITACHI LTD32 citations92
US5557083ASep 17, 1996
Vacuum circuit breaker and electric contact
HITACHI LTD22 citations92
US5697150ADec 16, 1997
Method forming an electric contact in a vacuum circuit breaker
HITACHI LTD17 citations73
US6753494B2Jun 22, 2004
Sintered body and electrode, method for surface densitication of these, process for manufacturing electrode by this method and circuit breaker
HITACHI LTD5 citations58