Inventor · disambiguated record

Katsumi Koyanagi

Also filed as: KOYANAGI KATSUMI

2 granted patents·79 citations·filing 1984–1988

68Inventor score

Technology areasH01H

Files withOMRON TATEISI ELECTRONICS CO2

Top patents by PatentIndex Score

2 records

0190US4772809ASwitching circuit and a relay device employed to prevent arcingOMRON TATEISI ELECTRONICS CO·Filed 1984·Granted Sep 20, 1988·45 cites·8 claims
0286US4855612ASwitching current and a relay device employed thereinOMRON TATEISI ELECTRONICS CO·Filed 1988·Granted Aug 8, 1989·34 cites·8 claims

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Katsumi Koyanagi — Patent Inventor | PatentIndex