Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12346062 | Toner, toner storage unit, image forming apparatus and method of forming image | Toshihiko SUGIYAMA, Junichi Watanabe, Yuka Mizoguchi, Hiroshi Yamashita, Tsuneyasu Nagatomo | 2025-07-01 |
| 10429756 | Toner, developer, process cartridge, image forming apparatus, image forming method, and method for manufacturing toner | Hiroshi Yamashita, Yuka Mizoguchi, Shizuka Hashida, Toma Takebayashi, Junko Yamaguchi +2 more | 2019-10-01 |
| 9709912 | Toner, and image forming method, process cartridge, and image forming apparatus using the toner | Takuya Kadota, Yoshihiro Mikuriya, Tsuyoshi Nozaki, Yoshimichi Ishikawa, Yuta Takeuchi +3 more | 2017-07-18 |
| 9563140 | Toner | Tsuyoshi Nozaki, Takuya Kadota, Yoshihiro Mikuriya, Yoshimichi Ishikawa, Tomohiro Fukao +1 more | 2017-02-07 |
| 9417541 | Toner and image forming apparatus | Yoshimichi Ishikawa, Takuya Kadota, Yoshihiro Mikuriya, Tsuyoshi Nozaki, Tomohiro Fukao +1 more | 2016-08-16 |
| 9360824 | Image forming apparatus and process cartridge | Tomohiro Fukao, Tsuyoshi Nozaki, Yoshihiro Mikuriya, Yoshimichi Ishikawa, Atsushi Yamamoto +4 more | 2016-06-07 |
| 9285695 | Latent electrostatic image developing toner | Tomoharu Miki, Takuya Kadota, Yoshihiro Mikuriya, Tsuyoshi Nozaki, Yoshimichi Ishikawa +1 more | 2016-03-15 |
| 9268244 | Electrostatic image developing toner, image forming apparatus, image forming method, and process cartridge | Tomohiro Fukao, Takuya Kadota, Yoshihiro Mikuriya, Tsuyoshi Nozaki, Yoshimichi Ishikawa +1 more | 2016-02-23 |
| 9182688 | Image forming apparatus, image forming method and process cartridge | Takuya Kadota, Yoshihiro Mikuriya, Tsuyoshi Nozaki, Yoshimichi Ishikawa, Tomohiro Fukao +5 more | 2015-11-10 |
| 9152066 | Toner, developer, process cartridge, and image forming apparatus | Ryota Inoue, Hiroaki Katoh, Masahiro Seki, Shun Saito, Yoshitaka Sekiguchi +4 more | 2015-10-06 |
| 8852836 | Toner, method for producing the same, and image forming apparatus | Masahiro Seki, Yoshitaka Sekiguchi, Ryota Inoue | 2014-10-07 |
| 8647803 | Method for producing colored resin particles, colored resin particles, developer, image forming apparatus, image forming method, and process cartridge | Atsushi Yamamoto, Takuya Kadota, Yoshihiro Mikuriya, Tsuyoshi Nozaki, Yoshimichi Ishikawa +2 more | 2014-02-11 |
| 8642238 | Toner, developer and method for producing toner | Tsuyoshi Nozaki, Tomoharu Miki, Tomohiro Fukao, Yoshimichi Ishikawa, Yoshihiro Mikuriya +1 more | 2014-02-04 |
| 8623581 | Electrostatic image developing toner, developer, and image forming apparatus | Tomohiro Fukao, Takuya Kadota, Yoshihiro Mikuriya, Tsuyoshi Nozaki, Yoshimichi Ishikawa +1 more | 2014-01-07 |
| 8614040 | Electrostatic image developing toner, toner container and process cartridge | Tomohiro Fukao, Takuya Kadota, Yoshihiro Mikuriya, Tsuyoshi Nozaki, Yoshimichi Ishikawa +1 more | 2013-12-24 |
| 8518625 | Toner, image forming apparatus, image forming method and process cartridge | Tomohiro Fukao, Takuya Kadota, Chieko Yamazaki, Yoshihiro Mikuriya, Tsuyoshi Nozaki +3 more | 2013-08-27 |
| 8440380 | Toner and method for producing the same | Atsushi Yamamoto, Takuya Kadota, Yoshihiro Mikuriya, Tsuyoshi Nozaki, Yoshimichi Ishikawa +3 more | 2013-05-14 |
| 8431314 | Colored resin particle and method for producing the same | Yoshihiro Mikuriya, Tomoharu Miki, Tomohiro Fukao, Takuya Kadota, Yoshimichi Ishikawa +2 more | 2013-04-30 |
| 8329371 | Toner for non-magnetic one-component developer, method of preparing the toner, developer and image forming method | Yoshihiro Mikuriya, Hideaki Yasunaga, Hiroaki Katoh, Masayuki Hagi, Masahide Inoue | 2012-12-11 |
| 8192910 | Image forming method, image forming apparatus and process cartridge | Hiroaki Katoh, Naoki Nakatake, Masayuki Hagi, Yoshitaka Sekiguchi, Yoshihiro Mikuriya +1 more | 2012-06-05 |
| 8103199 | Developing device, and image forming method and process cartridge using the developing device | Hideaki Yasunaga, Masayuki Hagi, Yoshihiro Mikuriya, Yoshitaka Sekiguchi, Hiroaki Katoh +1 more | 2012-01-24 |
| 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 |