Inventor · disambiguated record
Kohichi Matsumoto
Also filed as: MATSUMOTO KOHICHI
6 granted patents·616 citations·filing 1975–2007
87Inventor score
Top patents by PatentIndex Score
6 records- 0194US5933506ATransmitter-receiver having ear-piece type acoustic transducing partNIPPON TELEGRAPH & TELEPHONE·Filed 1995·Granted Aug 3, 1999·326 cites·21 claims
- 0292US4812028AReflection type reduction projection optical systemNIKON CORP·Filed 1988·Granted Mar 14, 1989·110 cites·15 claims
- 0390US7464930B2Sheet stacking device and image forming apparatus including the sameSHARP KK·Filed 2007·Granted Dec 16, 2008·13 cites·13 claims
- 0488US4908853ADialing apparatusCANON KK·Filed 1988·Granted Mar 13, 1990·105 cites·6 claims
- 0588US4002567AUltrafiltration apparatusASAHI CHEMICAL IND·Filed 1975·Granted Jan 11, 1977·62 cites·1 claims
- 0642US7684748B2Unit drawing mechanism and image recording apparatusSHARP KK·Filed 2006·Granted Mar 23, 2010·0 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →