Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10274853 | Toner, developer, toner housing unit and image forming apparatus | Takayuki Itoh, Naohiro Watanabe, Takahiro Honda, Daisuke Inoue, Rintaro Takahashi +1 more | 2019-04-30 |
| 9989869 | Toner, toner stored unit, and image forming apparatus | Daisuke Inoue, Naohiro Watanabe, Ryota Inoue, Masana Shiba, Junichi Awamura +4 more | 2018-06-05 |
| 9720339 | Toner, developer using the toner, image forming apparatus | Shinya Nakayama, Masahide Yamada, Atsushi Yamamoto, Hideyuki Santo, Yukiko Nakajima +1 more | 2017-08-01 |
| 9523931 | Toner, developer and image forming apparatus | Satoshi Kojima, Junichi Awamura, Tsuneyasu Nagatomo, Tomoki Murayama, Masaya Fukuda | 2016-12-20 |
| 9519235 | Toner, developer using the toner, image forming apparatus | Shinya Nakayama, Masahide Yamada, Atsushi Yamamoto, Hideyuki Santo, Yukiko Nakajima +1 more | 2016-12-13 |
| 9348245 | Toner, method for producing the toner, two-component developer, and image forming apparatus | Tatsuya Morita, Kazumi Suzuki, Masana Shiba, Taichi Nemoto, Yoshitaka Yamauchi +2 more | 2016-05-24 |
| 9291931 | Electrostatic charge image developing toner | Junichi Awamura, Tsuneyasu Nagatomo, Satoshi Kojima, Tomoki Murayama, Masaya Fukuda | 2016-03-22 |
| 9201365 | Image forming apparatus | Satoshi Kojima, Daisuke Misawa, Hiroshi Endoh, Tomoki Murayama, Rintaro Takahashi +1 more | 2015-12-01 |
| 9152084 | Toner housing container and image forming apparatus | Masana Shiba, Junichi Awamura, Tomoki Murayama, Chihiro Kikuchi, Masaya Fukuda +6 more | 2015-10-06 |
| 9134638 | Toner, developer using the toner, image forming apparatus | Shinya Nakayama, Masahide Yamada, Atsushi Yamamoto, Hideyuki Santo, Yukiko Nakajima +1 more | 2015-09-15 |
| 9086647 | Developing device that suppresses hysteresis | Junichi Awamura, Tsuneyasu Nagatomo, Satoshi Kojima, Tomoki Murayama | 2015-07-21 |
| 9069288 | Toner housing container and image forming apparatus | Satoshi Kojima, Junichi Awamura, Tsuneyasu Nagatomo, Tomoki Murayama, Masaya Fukuda +6 more | 2015-06-30 |
| 8895217 | Electrostatic image forming toner and developer | Daisuke Asahina, Tsuyoshi Sugimoto, Rintaro Takahashi, Hiroshi Yamashita, Taichi Nemoto +2 more | 2014-11-25 |
| 8883385 | Toner, development agent, and image forming apparatus using the same | Hiroshi Yamashita, Masahide Yamada, Shinya Nakayama, Atsushi Yamamoto, Yukiko Nakajima | 2014-11-11 |
| 8865384 | Electrophotographic toner, developer, and image forming apparatus | Masahide Yamada, Shinya Nakayama, Atsushi Yamamoto, Hideyuki Santo, Yukiko Nakajima +2 more | 2014-10-21 |
| 8865383 | Toner, toner set, developer, developer set, image forming apparatus, image forming method, and process cartridge | Kazumi Suzuki, Tatsuya Morita, Tsuyoshi Sugimoto | 2014-10-21 |
| 8859179 | Developer for electrophotography, image forming apparatus and process cartridge | Hideyuki Santo, Masahide Yamada, Kazumi Suzuki, Shinya Nakayama, Atsushi Yamamoto +4 more | 2014-10-14 |
| 8822118 | Toner, development agent, and image forming apparatus | Atsushi Yamamoto, Shinya Nakayama, Hideyuki Santo, Suzuka Amemori, Masahide Yamada | 2014-09-02 |
| 8795940 | Toner and developer | Tsuyoshi Sugimoto, Hiroshi Yamashita, Daisuke Asahina, Rintaro Takahashi, Masahide Yamada +2 more | 2014-08-05 |
| 8778578 | Toner set for electrophotography, and image forming method and apparatus | Kazumi Suzuki, Tatsuya Morita | 2014-07-15 |
| 8691486 | Electrostatic image developing toner, developer, image forming apparatus, image forming method, and process cartridge | Ryota Inoue, Akihiro Kotsugai, Akiyoshi Sabu, Yukiko Nakajima, Keiko Osaka | 2014-04-08 |
| 8679714 | Toner, developer, and image forming method | Ryota Inoue, Akihiro Kotsugai, Yoshihiro Moriya, Akiyoshi Sabu, Keiko Osaka +3 more | 2014-03-25 |
| 8663888 | Toner | Yasutada Shitara, Yohichiroh Watanabe, Yasuo Katano, Shinya Nakayama, Ryota Inoue +3 more | 2014-03-04 |
| 8658340 | Toner, development agent, and image forming method | Shinya Nakayama, Ryota Inoue, Yoshihiro Moriya, Akiyoshi Sabu, Yukiko Nakajima +1 more | 2014-02-25 |
| 8632932 | Toner, color toner set, developer, process cartridge, and image forming method | Akiyoshi Sabu, Akihiro Kotsugai, Ryota Inoue, Keiko Osaka, Yukiko Nakajima +1 more | 2014-01-21 |