Inventor · disambiguated record
Keiichi Matsumura
Also filed as: MATSUMURA KEIICHI
3 granted patents·1 pending application·51 citations·filing 1991–2004
71Inventor score
Top patents by PatentIndex Score
4 records- 0177US5848325AImage forming apparatusRICOH KK·Filed 1997·Granted Dec 8, 1998·33 cites·24 claims
- 0260US5237382AImage forming apparatus and controller thereofRICOH KK·Filed 1991·Granted Aug 17, 1993·15 cites·5 claims
- 0342US7670879B2Manufacturing method of semiconductor module including solid-liquid diffusion joining stepsFUJI ELECTRIC HOLDINGS·Filed 2004·Granted Mar 2, 2010·3 cites·22 claims
- 0434US2007152025A1Electronic part mounting methodFUJI ELECTRIC HOLDINGS·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →