Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11036154 | Toner, toner storage unit, image forming apparatus, and image forming method | Masayuki Ukigaya, Junichi Awamura, Hiroshi Yamada, Hiroyuki Takeda | 2021-06-15 |
| 10859932 | Toner, toner accommodating unit, and image forming apparatus | Tsuyoshi Sugimoto, Shinya Nakayama, Hiroshi Yamada, Hideyuki Santo, Ryuta Chiba +1 more | 2020-12-08 |
| 10670980 | Toner, developer, and image forming apparatus | Koh Ohnuma, Tsuyoshi Sugimoto, Shinya Nakayama, Hideyuki Santo, Shin Hasegawa +1 more | 2020-06-02 |
| 10156801 | Toner | Shinya Nakayama, Tsuyoshi Sugimoto, Daisuke Asahina, Susumu Chiba | 2018-12-18 |
| 10088766 | Layered inorganic mineral, toner, and image forming apparatus | Hideyuki Santo, Tsuyoshi Sugimoto, Shinya Nakayama, Suzuka Amemori, Hiroshi Yamada +1 more | 2018-10-02 |
| 10073366 | Toner, toner storage unit, image forming apparatus, and method for manufacturing toner | Ryuuta Yoshida, Shinya Nakayama, Tsuyoshi Sugimoto, Akinori Saitoh, Hideyuki Santo +5 more | 2018-09-11 |
| 9921503 | Toner, developer, and image formation device | Hiroshi Yamada, Tsuyoshi Sugimoto, Susumu Chiba, Shinsuke Nagai, Shinya Nakayama +2 more | 2018-03-20 |
| 9880479 | Toner, toner stored unit, image forming apparatus, and image forming method | Hideyuki Santoh, Tsuyoshi Sugimoto, Akinori Saitoh, Shin Hasegawa, Suzuka Amemori +1 more | 2018-01-30 |
| 9785074 | Polyester resin for toner, toner, developer, and image formation device | Shinya Nakayama, Tsuyoshi Sugimoto, Hiroshi Yamada, Susumu Chiba, Shinsuke Nagai +1 more | 2017-10-10 |
| 9753387 | Toner, developer and developer containing unit | Shin Hasegawa, Tsuyoshi Sugimoto, Hideyuki Santo, Koh Ohnuma, Suzuka Karato | 2017-09-05 |
| 9639016 | Toner, developer, image forming apparatus, and process cartridge | Tsuyoshi Sugimoto, Shinya Nakayama, Hiroshi Yamada, Hideyuki Santo, Shin Hasegawa +2 more | 2017-05-02 |
| 9557669 | Toner, developer, and image forming apparatus | Shinsuke Nagai, Shinya Nakayama, Tsuyoshi Sugimoto, Susumu Chiba, Daisuke Asahina | 2017-01-31 |
| 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 |
| 9557672 | Toner, developer, and image forming apparatus | Susumu Chiba, Tsuyoshi Sugimoto, Shinya Nakayama, Shinsuke Nagai, Daisuke Asahina | 2017-01-31 |
| 9366982 | Toner, developer, and image forming apparatus | Atsushi Yamamoto, Hiroshi Yamada, Takamasa Hase | 2016-06-14 |
| 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 |