Inventor · disambiguated record
Nobuhiro Nakayama
Also filed as: NAKAYAMA NOBUHIRO
12 granted patents·522 citations·filing 1985–1993
94Inventor score
Files withRICOH KK12
Top patents by PatentIndex Score
12 records- 0197US4980258ADry type developer for electrophotographyRICOH KK·Filed 1989·Granted Dec 25, 1990·78 cites·13 claims
- 0294US5270783AImage forming equipment having improved toner sensingRICOH KK·Filed 1992·Granted Dec 14, 1993·66 cites·9 claims
- 0394US4933250AMagenta color toner for developing latent electrostatic images in color electrophotographyRICOH KK·Filed 1988·Granted Jun 12, 1990·43 cites·15 claims
- 0493US5227842AElectrophotographic image forming apparatus which controls developer bias based on image irregularityRICOH KK·Filed 1992·Granted Jul 13, 1993·62 cites·18 claims
- 0593US4908290AToner for developing latent electrostatic imagesRICOH KK·Filed 1987·Granted Mar 13, 1990·52 cites·5 claims
- 0690US4927728ACarrier particles for use in a two-component dry-type developerRICOH KK·Filed 1988·Granted May 22, 1990·37 cites·6 claims
- 0790US4841331ATriboelectric charge application member for tonerRICOH KK·Filed 1988·Granted Jun 20, 1989·36 cites·11 claims
- 0889US5061588ADry type toner for electrophotographyRICOH KK·Filed 1989·Granted Oct 29, 1991·36 cites·17 claims
- 0984US4672016ACarrier particles for use in a developer for developing latent electrostatic images comprise organic tin compound, silicone resin and conductive materialRICOH KK·Filed 1986·Granted Jun 9, 1987·30 cites·13 claims
- 1080US4945022ATriboelectric charge application member for toner comprising copolymer of fluoro-olefin monomer and unsaturated silicon monomerRICOH KK·Filed 1989·Granted Jul 31, 1990·21 cites·22 claims
- 1179US5344732AMulti-color electrophotographic image formation methodRICOH KK·Filed 1993·Granted Sep 6, 1994·28 cites·12 claims
- 1278US4584254ASilicone resin coated carrier particles for use in a two-component dry-type developerRICOH KK·Filed 1985·Granted Apr 22, 1986·33 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →