Inventor
KIKUKAWA SHUUICHI
JP6 patents
⚠️ This page may combine multiple inventors who share the name “KIKUKAWA SHUUICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
5 patentsUS7457105B2Nov 25, 2008
Vacuum switchgear system and kit for system
HITACHI LTD12 citations83
US6881917B2Apr 19, 2005
Vacuum switchgear
HITACHI LTD19 citations80
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
US6855903B2Feb 15, 2005
Vacuum switch
HITACHI LTD4 citations61