Inventor · disambiguated record
Kazushige Yasumatsu
Also filed as: YASUMATSU KAZUSHIGE
2 granted patents·36 citations·filing 2007–2008
61Inventor score
Technology areasG03G
Files withRICOH KK2
Top patents by PatentIndex Score
2 records- 0196US7504188B2Toner and developer, toner container, process cartridge, image forming apparatus, and image forming method using the sameRICOH KK·Filed 2007·Granted Mar 17, 2009·33 cites·12 claims
- 0273US7695883B2Toner and developer, toner container, process cartridge, image forming apparatus, and image forming method using the sameRICOH KK·Filed 2008·Granted Apr 13, 2010·3 cites·20 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →