Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11982952 | Toner cartridge having feeding member and pump for discharging pump | Naoya Asanuma, Takatoshi Hamada, Masato Tanabe, Tomofumi Kawamura | 2024-05-14 |
| 11971682 | Cartridge and image forming apparatus | Hideki Kakuta, Toshiaki Takeuchi, Yu Akiba, Shuichi Gofuku, Tomofumi Kawamura +1 more | 2024-04-30 |
| 11650538 | Cartridge and image forming apparatus | Hideki Kakuta, Toshiaki Takeuchi, Yu Akiba, Shuichi Gofuku, Tomofumi Kawamura +1 more | 2023-05-16 |
| 11287763 | Toner transport apparatus | Tomofumi Kawamura, Masato Tanabe, Takatoshi Hamada | 2022-03-29 |