MH

Masayuki Hagi

Ricoh Company: 26 patents #784 of 9,818Top 8%
MC Minolta Co.: 22 patents #47 of 1,416Top 4%
KM Konica Minolta: 1 patents #986 of 1,361Top 75%
Overall (All Time): #56,821 of 4,157,543Top 2%
49
Patents All Time

Issued Patents All Time

Showing 1–25 of 49 patents

Patent #TitleCo-InventorsDate
8486597 Toner, and method for producing the same Atsushi Yamamoto, Takuya Kadota 2013-07-16
8440380 Toner and method for producing the same Atsushi Yamamoto, Takuya Kadota, Yoshihiro Mikuriya, Tsuyoshi Nozaki, Yoshimichi Ishikawa +3 more 2013-05-14
8329371 Toner for non-magnetic one-component developer, method of preparing the toner, developer and image forming method Yoshihiro Mikuriya, Hideaki Yasunaga, Hiroaki Katoh, Kazuoki Fuwa, Masahide Inoue 2012-12-11
8192910 Image forming method, image forming apparatus and process cartridge Hiroaki Katoh, Naoki Nakatake, Yoshitaka Sekiguchi, Kazuoki Fuwa, Yoshihiro Mikuriya +1 more 2012-06-05
8103199 Developing device, and image forming method and process cartridge using the developing device Hideaki Yasunaga, Yoshihiro Mikuriya, Yoshitaka Sekiguchi, Hiroaki Katoh, Kazuoki Fuwa +1 more 2012-01-24
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
7838193 Toner and image forming method using the toner Takuya Kadota, Hiroaki Katoh, Atsushi Yamamoto, Katsunori Kurose, Yoshihiro Mikuriya +5 more 2010-11-23
7833686 Toner and method for producing the same, toner kit, and developer, process cartridge, image forming method and image forming apparatus Takuya Kadota, Minoru Nakamura, Yoshihiro Mikuriya, Katsunori Kurose, Hideaki Yasunaga +4 more 2010-11-16
7820348 Toner recovery apparatus, process cartridge, and image forming apparatus Yoshihiro Mikuriya, Yoshitaka Sekiguchi, Hideaki Yasunaga, Hiroaki Kato, Kazuoki Fuwa +2 more 2010-10-26
7817946 Developing device, image developing method, image forming apparatus, image forming method, and process cartridge Hiroyuki Murakami, Masahide Inoue, Takuya Kadota, Yoshihiro Mikuriya, Katsunori Kurose +4 more 2010-10-19
7749671 Toner for developing a latent electrostatic image, image-forming method, image-forming apparatus and process cartridge using the same Atsushi Yamamoto, Masahide Inoue, Chiyoshi Nozaki, Minoru Nakamura, Yoshihiro Mikuriya +6 more 2010-07-06
7727694 Toner for developing electrostatic image, and image forming method and apparatus and process cartridge using the toner Hiroyuki Murakami, Masahide Inoue, Takuya Kadota, Yoshihiro Mikuriya, Hideaki Yasunaga +3 more 2010-06-01
7720428 Toner recovery apparatus, process cartridge, and image forming apparatus Yoshihiro Mikuriya, Yoshitaka Sekiguchi, Hideaki Yasunaga, Hiroaki Kato, Kazuoki Fuwa +2 more 2010-05-18
7695885 Developer and image forming method using the developer Hideaki Yasunaga, Minoru Nakamura, Takuya Kadota, Hiroaki Katoh, Yoshihiro Mikuriya +3 more 2010-04-13
7632619 Toner, fixing method and image forming method using the toner Yoshihiro Mikuriya, Atsushi Yamamoto, Hiroaki Katoh, Takuya Kadota, Katsunori Kurose +1 more 2009-12-15
7587159 Image forming method and apparatus including a relationship between secondary roller diameter and recording medium ingress position Kazuoki Fuwa, Yoshihiro Mikuriya, Hideaki Yasunaga, Hiroaki Kato, Yoshitaka Sekiguchi +1 more 2009-09-08
7556906 Toner, and image forming method, image forming apparatus, and process cartridge using the toner Hiroaki Katoh, Takuya Kadota, Yoshihiro Mikuriya, Katsunori Kurose, Atsushi Yamamoto +5 more 2009-07-07