Inventor
WATANABE YOICHIRO
JP11 patents
⚠️ This page may combine multiple inventors who share the name “WATANABE YOICHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
8 patentsUS5368972ANov 29, 1994
Method of preparing composite particles comprising adhering wax particles to the surface of resin particles
RICOH KK107 citations96
US5288577AFeb 22, 1994
Dry-type developer
RICOH KK83 citations95
US4908290AMar 13, 1990
Toner for developing latent electrostatic images
RICOH KK52 citations94
US4956258ASep 11, 1990
Dry toner for developing latent electrostatic images with improved resistance to toner staining of vinyl chloride products
RICOH KK49 citations92
US4927728AMay 22, 1990
Carrier particles for use in a two-component dry-type developer
RICOH KK37 citations92
US4584254AApr 22, 1986
Silicone resin coated carrier particles for use in a two-component dry-type developer
RICOH KK33 citations92
US5418103AMay 23, 1995
Toner for developing latent electrostatic images
RICOH KK28 citations91
US5750299AMay 12, 1998
Method of forming colored image by use of inorganic toner, inorganic toner for developing latent electrostatic image, and colored toner image bearing image transfer medium
RICOH KK30 citations89