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Inventor
HAGA MASARU
JP
3 patents
⚠️ This page may combine multiple inventors who share the name “HAGA MASARU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
1 patent
US7813090B2
Oct 12, 2010
DC switchgear provided with a commutation-type DC circuit breaker
HITACHI LTD
5 citations
60
KOYAMA KEIJI
1 patent
US8061527B2
Nov 22, 2011
Grain classifying device and adhesive containing grains classified by the device
KOYAMA KEIJI
3 citations
54
SUMITOMO ELECTRIC INDUSTRIES
1 patent
US8047381B2
Nov 1, 2011
Grain classifying device and adhesive containing grains classified by the device
SUMITOMO ELECTRIC INDUSTRIES
1 citations
50