Issued Patents All Time
Showing 26–50 of 89 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9720339 | Toner, developer using the toner, image forming apparatus | Shingo Sakashita, Masahide Yamada, Atsushi Yamamoto, Hideyuki Santo, Yukiko Nakajima +1 more | 2017-08-01 |
| 9639016 | Toner, developer, image forming apparatus, and process cartridge | Tsuyoshi Sugimoto, Hiroshi Yamada, Hideyuki Santo, Shin Hasegawa, Suzuka Karato +2 more | 2017-05-02 |
| 9588451 | Toner, developer, and image forming apparatus | Akihiro Takeyama, Akinori Saitoh, Shinsuke Nagai, Hiroyuki Takeda | 2017-03-07 |
| 9557669 | Toner, developer, and image forming apparatus | Shinsuke Nagai, Tsuyoshi Sugimoto, Susumu Chiba, Kohsuke Nagata, Daisuke Asahina | 2017-01-31 |
| 9557672 | Toner, developer, and image forming apparatus | Susumu Chiba, Tsuyoshi Sugimoto, Kohsuke Nagata, Shinsuke Nagai, Daisuke Asahina | 2017-01-31 |
| 9557671 | Electrostatic image developing toner, developer, and image forming apparatus | Ryuta Chiba, Hiroshi Yamada, Minoru Masuda, Akinori Saitoh, Hideyuki Santo +6 more | 2017-01-31 |
| 9519235 | Toner, developer using the toner, image forming apparatus | Shingo Sakashita, Masahide Yamada, Atsushi Yamamoto, Hideyuki Santo, Yukiko Nakajima +1 more | 2016-12-13 |
| 9488925 | Magenta toner, developer, and image forming apparatus | Ryuta Chiba, Tsuyoshi Sugimoto, Hiroshi Yamada, Susumu Chiba, Shinsuke Nagai +2 more | 2016-11-08 |
| 9400439 | Toner, developer, and image forming apparatus | Kousuke Nagata, Masahide Yamada, Akiyoshi Sabu, Tatsuya Morita, Takamasa Hase +2 more | 2016-07-26 |
| 9176406 | Toner, development agent, image forming apparatus, and process cartridge | Satoyuki Sekiguchi, Hiroshi Yamashita, Minoru Masuda, Susumu Chiba, Tatsuya Morita +5 more | 2015-11-03 |
| 9170511 | Toner, development agent, and image forming apparatus | Tatsuru Moritani, Yoshihiro Moriya, Hiroshi Yamada, Ryota Inoue, Atsushi Yamamoto | 2015-10-27 |
| 9134638 | Toner, developer using the toner, image forming apparatus | Shingo Sakashita, Masahide Yamada, Atsushi Yamamoto, Hideyuki Santo, Yukiko Nakajima +1 more | 2015-09-15 |
| 9127118 | Resin for toner, toner using the resin, and development agent using the toner | Hideyuki Santo, Atsushi Yamamoto, Yoshihiro Moriya, Akiyoshi Sabu, Daisuke Asahina +6 more | 2015-09-08 |
| 9042802 | Image forming apparatus | Takamasa Hase, Atsushi Yamamoto, Hideyuki Santo, Minoru Masuda, Yukiko Iwasaki +1 more | 2015-05-26 |
| 9012117 | Toner, developer, toner container, process cartridge, image forming method, and image forming apparatus | Hisashi Nakajima, Saori Yamada, Hiroshi Yamashita | 2015-04-21 |
| 9005859 | Colorless transparent toner, toner set, development agent, image forming apparatus, and printed matter | Akiyoshi Sabu, Atsushi Yamamoto, Yukiko Nakajima, Hideyuki Santo | 2015-04-14 |
| 8951707 | Toner, developer and image forming apparatus | Suzuka Amemori, Atsushi Yamamoto, Masahide Yamada, Yukiko Nakajima, Hideyuki Santo | 2015-02-10 |
| 8951705 | Development agent and image forming apparatus employing same | Atsushi Yamamoto, Yukiko Nakajima, Masahide Yamada, Hideyuki Santo, Suzuka Amemori | 2015-02-10 |
| 8883385 | Toner, development agent, and image forming apparatus using the same | Shingo Sakashita, Hiroshi Yamashita, Masahide Yamada, Atsushi Yamamoto, Yukiko Nakajima | 2014-11-11 |
| 8877415 | Toner, method of manufacturing toner, developer, toner container, image forming method, and process cartridge | Daiki Yamashita, Atsushi Yamamoto, Yukiko Nakajima, Akiyoshi Sabu, Yoshihiro Moriya +1 more | 2014-11-04 |
| 8865384 | Electrophotographic toner, developer, and image forming apparatus | Masahide Yamada, Atsushi Yamamoto, Hideyuki Santo, Shingo Sakashita, Yukiko Nakajima +2 more | 2014-10-21 |
| 8859179 | Developer for electrophotography, image forming apparatus and process cartridge | Hideyuki Santo, Masahide Yamada, Kazumi Suzuki, Atsushi Yamamoto, Tatsuya Morita +4 more | 2014-10-14 |
| 8852834 | Toner for electrophotography, developer, image forming method, and process cartridge | Hideyuki Santo, Atsushi Yamamoto, Daiki Yamashita, Suzuka Amemori | 2014-10-07 |
| 8828635 | Toner, developer, process cartridge, and image forming apparatus | Yoshihiro Moriya, Atsushi Yamamoto, Hideyuki Santo, Akiyoshi Sabu, Yukiko Nakajima +1 more | 2014-09-09 |
| 8822118 | Toner, development agent, and image forming apparatus | Atsushi Yamamoto, Hideyuki Santo, Suzuka Amemori, Shingo Sakashita, Masahide Yamada | 2014-09-02 |