Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10859932 | Toner, toner accommodating unit, and image forming apparatus | Tsuyoshi Sugimoto, Shinya Nakayama, Hiroshi Yamada, Ryuta Chiba, Suzuka Amemori +1 more | 2020-12-08 |
| 10670980 | Toner, developer, and image forming apparatus | Koh Ohnuma, Tsuyoshi Sugimoto, Shinya Nakayama, Shin Hasegawa, Suzuka Karato +1 more | 2020-06-02 |
| 10088766 | Layered inorganic mineral, toner, and image forming apparatus | Tsuyoshi Sugimoto, Shinya Nakayama, Suzuka Amemori, Hiroshi Yamada, Ryuta Chiba +1 more | 2018-10-02 |
| 10073366 | Toner, toner storage unit, image forming apparatus, and method for manufacturing toner | Kohsuke Nagata, Ryuuta Yoshida, Shinya Nakayama, Tsuyoshi Sugimoto, Akinori Saitoh +5 more | 2018-09-11 |
| 9753387 | Toner, developer and developer containing unit | Shin Hasegawa, Tsuyoshi Sugimoto, Koh Ohnuma, Kohsuke Nagata, Suzuka Karato | 2017-09-05 |
| 9720339 | Toner, developer using the toner, image forming apparatus | Shingo Sakashita, Shinya Nakayama, Masahide Yamada, Atsushi Yamamoto, Yukiko Nakajima +1 more | 2017-08-01 |
| 9639016 | Toner, developer, image forming apparatus, and process cartridge | Tsuyoshi Sugimoto, Shinya Nakayama, Hiroshi Yamada, Shin Hasegawa, Suzuka Karato +2 more | 2017-05-02 |
| 9557671 | Electrostatic image developing toner, developer, and image forming apparatus | Ryuta Chiba, Shinya Nakayama, Hiroshi Yamada, Minoru Masuda, Akinori Saitoh +6 more | 2017-01-31 |
| 9519235 | Toner, developer using the toner, image forming apparatus | Shingo Sakashita, Shinya Nakayama, Masahide Yamada, Atsushi Yamamoto, Yukiko Nakajima +1 more | 2016-12-13 |
| 9134638 | Toner, developer using the toner, image forming apparatus | Shingo Sakashita, Shinya Nakayama, Masahide Yamada, Atsushi Yamamoto, Yukiko Nakajima +1 more | 2015-09-15 |
| 9127118 | Resin for toner, toner using the resin, and development agent using the toner | Shinya Nakayama, Atsushi Yamamoto, Yoshihiro Moriya, Akiyoshi Sabu, Daisuke Asahina +6 more | 2015-09-08 |
| 9042802 | Image forming apparatus | Takamasa Hase, Shinya Nakayama, Atsushi Yamamoto, Minoru Masuda, Yukiko Iwasaki +1 more | 2015-05-26 |
| 9005859 | Colorless transparent toner, toner set, development agent, image forming apparatus, and printed matter | Akiyoshi Sabu, Shinya Nakayama, Atsushi Yamamoto, Yukiko Nakajima | 2015-04-14 |
| 8951705 | Development agent and image forming apparatus employing same | Shinya Nakayama, Atsushi Yamamoto, Yukiko Nakajima, Masahide Yamada, Suzuka Amemori | 2015-02-10 |
| 8951707 | Toner, developer and image forming apparatus | Suzuka Amemori, Atsushi Yamamoto, Masahide Yamada, Yukiko Nakajima, Shinya Nakayama | 2015-02-10 |
| 8877415 | Toner, method of manufacturing toner, developer, toner container, image forming method, and process cartridge | Daiki Yamashita, Shinya Nakayama, Atsushi Yamamoto, Yukiko Nakajima, Akiyoshi Sabu +1 more | 2014-11-04 |
| 8865384 | Electrophotographic toner, developer, and image forming apparatus | Masahide Yamada, Shinya Nakayama, Atsushi Yamamoto, Shingo Sakashita, Yukiko Nakajima +2 more | 2014-10-21 |
| 8859179 | Developer for electrophotography, image forming apparatus and process cartridge | Masahide Yamada, Kazumi Suzuki, Shinya Nakayama, Atsushi Yamamoto, Tatsuya Morita +4 more | 2014-10-14 |
| 8852834 | Toner for electrophotography, developer, image forming method, and process cartridge | Shinya Nakayama, Atsushi Yamamoto, Daiki Yamashita, Suzuka Amemori | 2014-10-07 |
| 8828635 | Toner, developer, process cartridge, and image forming apparatus | Yoshihiro Moriya, Shinya Nakayama, Atsushi Yamamoto, Akiyoshi Sabu, Yukiko Nakajima +1 more | 2014-09-09 |
| 8822118 | Toner, development agent, and image forming apparatus | Atsushi Yamamoto, Shinya Nakayama, Suzuka Amemori, Shingo Sakashita, Masahide Yamada | 2014-09-02 |
| 8808955 | Toner and development agent, image forming apparatus, and process cartridge using the same | Shinya Nakayama, Atsushi Yamamoto, Daiki Yamashita, Suzuka Amemori, Masahide Yamada | 2014-08-19 |
| 8795939 | Toner, and developer and image forming apparatus using the toner | Atsushi Yamamoto, Shinya Nakayama, Masahide Yamada, Suzuka Amemori | 2014-08-05 |
| 8603715 | Toner and image forming apparatus | Suzuka Amemori, Atsushi Yamamoto, Masahide Yamada, Shinya Nakayama, Daiki Yamashita | 2013-12-10 |
| 8524436 | Developing device, image forming method and apparatus, and process cartridge | Masashi Nagayama, Mitsuo Aoki, Shigenori Yaguchi | 2013-09-03 |