Inventor
SHIBATA YOZO
JP7 patents
⚠️ This page may combine multiple inventors who share the name “SHIBATA YOZO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
6 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
US4580947AApr 8, 1986
Method of controlling operation of a plurality of compressors
HITACHI LTD145 citations92
US6268579B1Jul 31, 2001
Vacuum switchgear
HITACHI LTD27 citations91
US6144005ANov 7, 2000
Vacuum switch and a vacuum switchgear using the same
HITACHI LTD30 citations91
US6259051B1Jul 10, 2001
Vacuum switch and a vacuum switchgear using the same
HITACHI LTD9 citations72