Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12416872 | Toner, developing agent, toner stored unit, and image forming apparatus | Ryuuta Yoshida, Akio Takei, Yasuo Kamada | 2025-09-16 |
| 12411429 | Toner, developer, toner storage unit, image forming apparatus, and image forming method | Akinori Saitoh, Akio Takei, Masahiro Yukikawa, Tomomi Harashima, Hiroshi Yamada | 2025-09-09 |
| 12306580 | Toner and production method thereof, and toner stored unit, image forming apparatus, and image forming method | Hiroshi Yamada, Akinori Saitoh, Akio Takei, Yasuo Kamada | 2025-05-20 |
| 12287605 | Toner and production method thereof, toner stored unit, image forming apparatus, and image forming method | Yasuo Kamada, Hiroshi Yamada, Akinori Saitoh, Akio Takei, Masahiro Yukikawa | 2025-04-29 |
| 12204277 | Toner, developer, toner storage unit, image forming apparatus, and image forming method | Yasuo Kamada, Hiroshi Yamada, Akio Takei | 2025-01-21 |
| 10884350 | Toner, toner accommodating unit, and image forming apparatus | Taichi Nemoto | 2021-01-05 |
| 10599058 | Toner, developer, toner storage unit, image forming apparatus, and image forming method | Taichi Nemoto | 2020-03-24 |
| 10429756 | Toner, developer, process cartridge, image forming apparatus, image forming method, and method for manufacturing toner | Kazuoki Fuwa, Hiroshi Yamashita, Yuka Mizoguchi, Shizuka Hashida, Junko Yamaguchi +2 more | 2019-10-01 |