Issued Patents 2025
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12411429 | Toner, developer, toner storage unit, image forming apparatus, and image forming method | Akio Takei, Toma Takebayashi, 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, Akio Takei, Yasuo Kamada, Toma Takebayashi | 2025-05-20 |
| 12287605 | Toner and production method thereof, toner stored unit, image forming apparatus, and image forming method | Yasuo Kamada, Hiroshi Yamada, Akio Takei, Toma Takebayashi, Masahiro Yukikawa | 2025-04-29 |