Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11137698 | Image forming apparatus including notifying information on developing unit lifetime | Hirokazu Fujino, Masaki Hirose | 2021-10-05 |
| 10942470 | Developing apparatus, process cartridge, and image forming apparatus | Hirokazu Fujino, Naoki Fukushima, Atsushi Toda, Daisuke Baba, Masahito Kato +1 more | 2021-03-09 |