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Inventor
HAMAGUCHI HIROAKI
JP
4 patents
⚠️ This page may combine multiple inventors who share the name “HAMAGUCHI HIROAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC WORKS LTD
3 patents
US5886601A
Mar 23, 1999
Electromagnetic relay assembly
MATSUSHITA ELECTRIC WORKS LTD
30 citations
89
US5049845A
Sep 17, 1991
Welding free relay contact device
MATSUSHITA ELECTRIC WORKS LTD
23 citations
88
US4703294A
Oct 27, 1987
Remotely controllable relay
MATSUSHITA ELECTRIC WORKS LTD
18 citations
72
ELECTRIC POWER RES INST
1 patent
US4855701A
Aug 8, 1989
Polarized electromagnet
ELECTRIC POWER RES INST
14 citations
68