Inventor
NAKAYAMA NOBUHIRO
JP12 patents
Patents
12 patentsUS5270783ADec 14, 1993
Image forming equipment having improved toner sensing
RICOH KK66 citations95
US4980258ADec 25, 1990
Dry type developer for electrophotography
RICOH KK78 citations95
US5227842AJul 13, 1993
Electrophotographic image forming apparatus which controls developer bias based on image irregularity
RICOH KK62 citations94
US4908290AMar 13, 1990
Toner for developing latent electrostatic images
RICOH KK52 citations94
US5061588AOct 29, 1991
Dry type toner for electrophotography
RICOH KK36 citations92
US4933250AJun 12, 1990
Magenta color toner for developing latent electrostatic images in color electrophotography
RICOH KK43 citations92
US4927728AMay 22, 1990
Carrier particles for use in a two-component dry-type developer
RICOH KK37 citations92
US4841331AJun 20, 1989
Triboelectric charge application member for toner
RICOH KK36 citations92
US4584254AApr 22, 1986
Silicone resin coated carrier particles for use in a two-component dry-type developer
RICOH KK33 citations92
US5344732ASep 6, 1994
Multi-color electrophotographic image formation method
RICOH KK28 citations89
US4672016AJun 9, 1987
Carrier particles for use in a developer for developing latent electrostatic images comprise organic tin compound, silicone resin and conductive material
RICOH KK30 citations89
US4945022AJul 31, 1990
Triboelectric charge application member for toner comprising copolymer of fluoro-olefin monomer and unsaturated silicon monomer
RICOH KK21 citations82