Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12429811 | Cartridge and image forming apparatus | Naoki Matsumaru, Ryuta Murakami, Tadashi Horikawa, Akinobu Hirayama, Daisuke Makiguchi +5 more | 2025-09-30 |
| 12287600 | Drum unit, drive transmission unit, cartridge and electrophotographic image forming apparatus | Ryuta Murakami | 2025-04-29 |