KF

Kazuoki Fuwa

Ricoh Company: 8 patents #45 of 1,683Top 3%
Overall (2011): #6,012 of 364,097Top 2%
8
Patents 2011

Issued Patents 2011

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
8041270 Image developer using one-component developer Hideaki Yasunaga, Masayuki Hagi, Yoshihiro Mikuriya, Hiroaki Katoh, Masahide Inoue +2 more 2011-10-18
8021814 Toner, and oilless fixing method and process cartridge using the toner Masayuki Hagi, Yoshihiro Mikuriya, Hideaki Yasunaga, Hiroaki Katoh, Yoshitaka Sekiguchi +2 more 2011-09-20
8007973 Full-color toner kit, process cartridge, and image forming method Yoshihiro Mikuriya, Masayuki Hagi, Hideaki Yasunaga, Hiroaki Katoh, Yoshitaka Sekiguchi 2011-08-30
7981593 Toner, developer including the toner, and image forming method and apparatus using the toner Hiroaki Katoh, Hideaki Yasunaga, Yoshihiro Mikuriya, Masayuki Hagi, Masahide Inoue 2011-07-19
7979010 Image forming apparatus and image forming method Yoshihiro Mikuriya, Hideaki Yasunaga, Yoshitaka Sekiguchi, Hiroaki Kato 2011-07-12
7970323 Developing device, developer therefor, and image forming method and apparatus, and process cartridge using the developing device Hiroaki Katoh, Masayuki Hagi, Yoshihiro Mikuriya, Hideaki Yasunaga, Yoshitaka Sekiguchi +1 more 2011-06-28
7873300 Single component development device, process cartridge and toner Masayuki Hagi, Yoshihiro Mikuriya, Hideaki Yasunaga, Hiroaki Katoh, Yoshitaka Sekiguchi +1 more 2011-01-18
7867680 Non-magnetic toner for one-component development and method of preparing the toner, and image developer, image forming apparatus, process cartridge and image forming method Yoshihiro Mikuriya, Hiroaki Katoh, Yoshitaka Sekiguchi, Hideaki Yasunaga, Masayuki Hagi 2011-01-11