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Inventor
YOTSUMOTO YOSHIHARU
JP
3 patents
⚠️ This page may combine multiple inventors who share the name “YOTSUMOTO YOSHIHARU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
2 patents
US6495786B1
Dec 17, 2002
Vacuum exhaust element of vacuum switch
HITACHI LTD
7 citations
72
US6114647A
Sep 5, 2000
Bellows and vacuum switch using the bellows
HITACHI LTD
9 citations
72
TOKYO SHIBAURA ELECTRIC CO
1 patent
US4604643A
Aug 5, 1986
Semiconductor rectifier device
TOKYO SHIBAURA ELECTRIC CO
17 citations
70