Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12346062 | Toner, toner storage unit, image forming apparatus and method of forming image | Toshihiko SUGIYAMA, Junichi Watanabe, Hiroshi Yamashita, Kazuoki Fuwa, Tsuneyasu Nagatomo | 2025-07-01 |
| 12078961 | Toner, method of manufacturing toner, toner storage unit, image forming apparatus and method of forming image | Hiroshi Yamashita, Junichi Watanabe, Tomomi Harashima | 2024-09-03 |
| 11687013 | Toner for electrostatic charge image development, toner stored unit, image forming apparatus, and image forming method | Toshihiko SUGIYAMA, Minoru Masuda, Hideki Sugiura | 2023-06-27 |
| 11061343 | Toner, toner stored unit, and image forming apparatus | Ryota Inoue, Hiroshi Yamashita, Minoru Masuda, Daichi Hisakuni, Tomomi Harashima | 2021-07-13 |
| 11054757 | Toner, image forming apparatus, image forming method, and process cartridge | Yohichi Kitagawa, Keiji Makabe, Tsuneyasu Nagatomo, Shinya Nakayama | 2021-07-06 |
| 10895816 | Image forming apparatus and toner set | Minoru Masuda, Hiroshi Yamashita, Ryota Inoue, Daichi Hisakuni, Tomomi Harashima | 2021-01-19 |
| 10545421 | Toner, toner stored unit, image forming apparatus, and method for producing toner | Hiroshi Yamashita, Ryota Inoue, Taichi Nemoto, Shizuka Hashida | 2020-01-28 |
| 10520843 | Toner, method for producing toner, toner storage unit, and image forming apparatus | Hiroshi Yamashita, Suzuka Karato, Shizuka Hashida | 2019-12-31 |
| 10429756 | Toner, developer, process cartridge, image forming apparatus, image forming method, and method for manufacturing toner | Kazuoki Fuwa, Hiroshi Yamashita, Shizuka Hashida, Toma Takebayashi, Junko Yamaguchi +2 more | 2019-10-01 |
| 9921503 | Toner, developer, and image formation device | Hiroshi Yamada, Tsuyoshi Sugimoto, Susumu Chiba, Shinsuke Nagai, Kohsuke Nagata +2 more | 2018-03-20 |
| 9678450 | Toner and two-component developer | Mio Kumai, Hideki Sugiura | 2017-06-13 |
| 9618864 | Toner, image forming apparatus, image forming method, process cartridge, and developer | Hideki Sugiura, Mio Kumai | 2017-04-11 |
| 9341971 | Toner, and developer and image forming apparatus including same | Hideki Sugiura, Mio Kumai | 2016-05-17 |
| 9063446 | Toner, developer, image forming apparatus, and image forming method | Azumi Miyaake, Hideki Sugiura | 2015-06-23 |
| 9034550 | Toner, developer, image forming apparatus, and image forming method | Hideki Sugiura, Azumi Miyaake | 2015-05-19 |
| 8889330 | Toner, development agent, and image formation method | Hideki Sugiura | 2014-11-18 |
| 8871418 | Toner, two component developer, process cartridge and color image forming apparatus | Hideki Sugiura | 2014-10-28 |