Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12228881 | Toner, developer, process cartridge, image forming apparatus, and image forming method | Keisuke Tada, Yasuyuki Sanui | 2025-02-18 |
| 12032332 | Magenta toner, developer, toner accommodating unit, image forming apparatus, and image forming method | Hiyori Fujino, Keisuke Tada, Fumihiko Chimoto, Takashi Okano, Ayumi Satoh | 2024-07-09 |
| 11841679 | Cyan toner, developer, toner accommodating unit, image forming apparatus, and image forming method | Hiyori Fujino, Keisuke Tada, Fumihiko Chimoto, Ayumi Satoh | 2023-12-12 |
| 10859934 | Yellow toner, developer, process cartridge, image forming apparatus, and image forming method | Hiyori Fujino, Fumihiko Chimoto, Keisuke Tada, Daisuke Misawa | 2020-12-08 |