Issued Patents All Time
Showing 1–25 of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9971260 | Toner, developing device, and process cartridge | Yoshimichi Ishikawa, Tomoharu Miki, Yuta Takeuchi | 2018-05-15 |
| 9709912 | Toner, and image forming method, process cartridge, and image forming apparatus using the toner | Kazuoki Fuwa, Takuya Kadota, Yoshihiro Mikuriya, Yoshimichi Ishikawa, Yuta Takeuchi +3 more | 2017-07-18 |
| 9563140 | Toner | Takuya Kadota, Yoshihiro Mikuriya, Yoshimichi Ishikawa, Kazuoki Fuwa, Tomohiro Fukao +1 more | 2017-02-07 |
| 9417541 | Toner and image forming apparatus | Yoshimichi Ishikawa, Takuya Kadota, Yoshihiro Mikuriya, Kazuoki Fuwa, Tomohiro Fukao +1 more | 2016-08-16 |
| 9360824 | Image forming apparatus and process cartridge | Tomohiro Fukao, Yoshihiro Mikuriya, Yoshimichi Ishikawa, Atsushi Yamamoto, Kazuoki Fuwa +4 more | 2016-06-07 |
| 9285695 | Latent electrostatic image developing toner | Tomoharu Miki, Takuya Kadota, Yoshihiro Mikuriya, Yoshimichi Ishikawa, Kazuoki Fuwa +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, Yoshimichi Ishikawa, Kazuoki Fuwa +1 more | 2016-02-23 |
| 9182688 | Image forming apparatus, image forming method and process cartridge | Takuya Kadota, Yoshihiro Mikuriya, Yoshimichi Ishikawa, Kazuoki Fuwa, Tomohiro Fukao +5 more | 2015-11-10 |
| 9098013 | Developing roller, developing device, process cartridge, and image forming apparatus | Hideaki Yasunaga, Keiichiro Juri, Yuta Takeuchi, Yoshimichi Ishikawa, Tomoharu Miki | 2015-08-04 |
| 8871417 | Toner, image forming apparatus, and process cartridge | Tomoharu Miki, Takuya Kadota, Yoshihiro Mikuriya, Atsushi Yamamoto, Yoshimichi Ishikawa +1 more | 2014-10-28 |
| 8691484 | Toner and method for producing the same, toner container, developer, image forming apparatus and process cartridge | Chiyoshi Nozaki, Atsushi Yamamoto, Mitsuyo Matsumoto, Takuya Kadota, Katsunori Kurose +1 more | 2014-04-08 |
| 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, Yoshimichi Ishikawa, Kazuoki Fuwa +2 more | 2014-02-11 |
| 8642238 | Toner, developer and method for producing toner | Tomoharu Miki, Tomohiro Fukao, Kazuoki Fuwa, 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, Yoshimichi Ishikawa, Kazuoki Fuwa +1 more | 2014-01-07 |
| 8614040 | Electrostatic image developing toner, toner container and process cartridge | Tomohiro Fukao, Takuya Kadota, Yoshihiro Mikuriya, Yoshimichi Ishikawa, Kazuoki Fuwa +1 more | 2013-12-24 |
| 8530132 | Toner, developer using the toner, method for preparing the toner, and image forming method and apparatus using the toner | Atsushi Yamamoto, Chiyoshi Nozaki | 2013-09-10 |
| 8518625 | Toner, image forming apparatus, image forming method and process cartridge | Tomohiro Fukao, Takuya Kadota, Chieko Yamazaki, Yoshihiro Mikuriya, Yoshimichi Ishikawa +3 more | 2013-08-27 |
| 8440380 | Toner and method for producing the same | Atsushi Yamamoto, Takuya Kadota, Yoshihiro Mikuriya, Yoshimichi Ishikawa, Kazuoki Fuwa +3 more | 2013-05-14 |
| 8435709 | Toner for developing latent electrostatic image, process cartridge and image forming method | Atsushi Yamamoto, Chiyoshi Nozaki, Takuya Kadota, Hiroyuki Murakami, Mitsuyo Matsumoto +2 more | 2013-05-07 |
| 8431314 | Colored resin particle and method for producing the same | Yoshihiro Mikuriya, Tomoharu Miki, Tomohiro Fukao, Kazuoki Fuwa, Takuya Kadota +2 more | 2013-04-30 |
| 8338066 | Toner, process cartridge and method of forming image | Chiyoshi Nozaki, Atsushi Yamamoto, Minoru Nakamura, Akira Izutani | 2012-12-25 |
| 8309290 | Toner and method of manufacturing the same | Atsushi Yamamoto, Chiyoshi Nozaki, Mitsuyo Matsumoto, Takuya Kadota, Hiroyuki Murakami +2 more | 2012-11-13 |
| 8268527 | Toner, developer, developing device, process cartridge, image forming apparatus, image forming method, and method of manufacturing toner | Takuya Kadota, Yoshihiro Mikuriya, Atsushi Yamamoto, Yoshimichi Ishikawa, Tomohiro Fukao +1 more | 2012-09-18 |
| 8216755 | Toner, developer, toner container, process cartridge, image forming apparatus, and image forming method | Yoshimichi Ishikawa, Chiyoshi Nozaki, Takuya Kadota, Katsunori Kurose, Mitsuyo Matsumoto +1 more | 2012-07-10 |
| 8139984 | Image forming method and apparatus | Hiroyuki Murakami, Masahide Inoue, Chiyoshi Nozaki, Atsushi Yamamoto, Takuya Kadota +3 more | 2012-03-20 |