Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11139438 | Organic electroluminescent element | Takuji Hatakeyama, Yuko Yamaga, Kazushi SHIREN | 2021-10-05 |
| 10983473 | Drum cartridge including a cleaning member, for use with an image forming apparatus | — | 2021-04-20 |
| 10942470 | Developing apparatus, process cartridge, and image forming apparatus | Hirokazu Fujino, Naoki Fukushima, Atsushi Toda, Yosuke Kishi, Masahito Kato +1 more | 2021-03-09 |