MH

Masayuki Hagi

Ricoh Company: 9 patents #28 of 1,683Top 2%
Overall (2011): #4,413 of 364,097Top 2%
9
Patents 2011

Issued Patents 2011

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
8053154 Toner and image forming method Takuya Kadota, Yoshihiro Mikuriya, Katsunori Kurose, Hiroaki Kato, Atsushi Yamamoto +4 more 2011-11-08
8043779 Pulverized toner Hideaki Yasunaga, Hiroaki Kato, Katsunori Kurose, Yoshihiro Mikuriya, Yoshimichi Ishikawa +2 more 2011-10-25
8041270 Image developer using one-component developer Hideaki Yasunaga, Yoshihiro Mikuriya, Hiroaki Katoh, Kazuoki Fuwa, Masahide Inoue +2 more 2011-10-18
8021814 Toner, and oilless fixing method and process cartridge using the toner Yoshihiro Mikuriya, Hideaki Yasunaga, Hiroaki Katoh, Kazuoki Fuwa, Yoshitaka Sekiguchi +2 more 2011-09-20
8007973 Full-color toner kit, process cartridge, and image forming method Kazuoki Fuwa, Yoshihiro Mikuriya, 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, Kazuoki Fuwa, Yoshihiro Mikuriya, Masahide Inoue 2011-07-19
7970323 Developing device, developer therefor, and image forming method and apparatus, and process cartridge using the developing device Hiroaki Katoh, Yoshihiro Mikuriya, Hideaki Yasunaga, Yoshitaka Sekiguchi, Kazuoki Fuwa +1 more 2011-06-28
7873300 Single component development device, process cartridge and toner Kazuoki Fuwa, 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, Kazuoki Fuwa, Hiroaki Katoh, Yoshitaka Sekiguchi, Hideaki Yasunaga 2011-01-11