Inventor · disambiguated record
Ryoichi Hasumi
Also filed as: HASUMI RYOICHI
4 granted patents·4 citations·filing 1979–1981
60Inventor score
Technology areasH03J
Files withCLARION CO LTD4
Top patents by PatentIndex Score
4 records- 0147US4348911APushbuttonCLARION CO LTD·Filed 1979·Granted Sep 14, 1982·3 cites·10 claims
- 0229US4275606APushbutton tunerCLARION CO LTD·Filed 1979·Granted Jun 30, 1981·0 cites·2 claims
- 0328US4532818AClutch interlocking mechanismCLARION CO LTD·Filed 1980·Granted Aug 6, 1985·1 cites·4 claims
- 0428US4478098APushbutton tunerCLARION CO LTD·Filed 1981·Granted Oct 23, 1984·0 cites·10 claims
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