Inventor · disambiguated record
Akemi Sugiyama
Also filed as: SUGIYAMA AKEMI
8 granted patents·1 pending application·380 citations·filing 1999–2004
90Inventor score
Technology areasG03G
Files withRICOH KK9
Top patents by PatentIndex Score
9 records- 0199US6468706B2Two-component developer, container filled with the two-component developer, and image formation apparatusRICOH KK·Filed 2001·Granted Oct 22, 2002·130 cites·20 claims
- 0298US6335137B1Electrophotographic toner and electrophotographic image forming method and apparatus using the tonerRICOH KK·Filed 2000·Granted Jan 1, 2002·103 cites·20 claims
- 0396US6544704B1Two-component developer, container filled with the two-component developer, and image formation apparatusRICOH KK·Filed 2002·Granted Apr 8, 2003·59 cites·20 claims
- 0485US6228550B1Two-component developerRICOH KK·Filed 1999·Granted May 8, 2001·35 cites·2 claims
- 0584US7029816B2Electrographic image formation methodRICOH KK·Filed 2004·Granted Apr 18, 2006·20 cites·3 claims
- 0678US6534232B1Electrophotographic image formation method, carrier for two-component developer, two-component developer, container holding therein the two-component developer, and electrophotographic image formation apparatusRICOH KK·Filed 2000·Granted Mar 18, 2003·17 cites·6 claims
- 0774US6656654B2Toner and two-component developer, container therefor, and image forming apparatusRICOH KK·Filed 2001·Granted Dec 2, 2003·14 cites·42 claims
- 0836US2002039698A1Electrophotographic image formation methodRICOH KK·Filed 2001·Application pending·0 cites
- 0934US6670088B1Carrier for two-component developer for developing latent electrostatic images and developer using the carrierRICOH KK·Filed 1999·Granted Dec 30, 2003·2 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →