Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11143987 | Imaging forming apparatus with enhanced primary transferability where primary transfer is performed with electric current flowing in circumferential direction of intermediate transfer belt | Tsuguhiro Yoshida, Shinji Katagiri, Eiichi Hamana, Takahiro Ikeda, Takayuki Tanaka +1 more | 2021-10-12 |
| 10948844 | Color image forming apparatus | Kiyoto Toyoizumi, Shinsuke Kobayashi, Hideo Nanataki, Shinji Katagiri, Yasunari Watanabe +2 more | 2021-03-16 |