Inventor
TANIMIZU TOORU
JP16 patents
⚠️ This page may combine multiple inventors who share the name “TANIMIZU TOORU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
14 patentsUS6940376B2Sep 6, 2005
Electromagnet and actuating mechanism for switch device, using thereof
HITACHI LTD15 citations92
US6816048B2Nov 9, 2004
Electromagnet and actuating mechanism for switch device, using thereof
HITACHI LTD34 citations92
US5719365AFeb 17, 1998
Insulated type switching device
HITACHI LTD19 citations91
US6335502B1Jan 1, 2002
Vacuum switch and vacuum switch gear using the vacuum switch
HITACHI LTD35 citations89
US6881917B2Apr 19, 2005
Vacuum switchgear
HITACHI LTD19 citations80
US4504885AMar 12, 1985
Switch board
HITACHI LTD22 citations78
US6529009B2Mar 4, 2003
Vacuum switch including vacuum-measurement devices, switchgear using the vacuum switch, and operation method thereof
HITACHI LTD12 citations73
US6426627B2Jul 30, 2002
Vacuum switch including vacuum-measurement devices, switchgear using the vacuum switch, and operation method thereof
HITACHI LTD10 citations73
US6005213ADec 21, 1999
Insulated type switchgear device
HITACHI LTD7 citations72
US5952636ASep 14, 1999
Vacuum type switch gear device having L shaped stationary and movable conductors arrangement
HITACHI LTD7 citations72
US5691521ANov 25, 1997
Vacuum circuit breaker with improved contact assembly
HITACHI LTD16 citations72
US5280408AJan 18, 1994
Power receiving and transforming apparatus
HITACHI LTD2 citations62
US6855903B2Feb 15, 2005
Vacuum switch
HITACHI LTD4 citations61
USRE37244EJun 26, 2001
Insulated type switching device
HITACHI LTD1 citations48