Issued Patents 2022
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11487218 | Image forming apparatus that calculates surface potential of image carrier according to developing current | Yoshihiro Yamagishi, Kazunori Tanaka | 2022-11-01 |
| 11435677 | Image forming apparatus including a fogging toner amount estimation section | Kazunori Tanaka, Yoshihiro Yamagishi | 2022-09-06 |
| 11314183 | Developing device and image forming apparatus therewith | Masashi Fujishima, Norio Kubo, Asami Sasaki, Yasuhiro Tauchi, Akira Matayoshi +3 more | 2022-04-26 |
| 11307512 | Image forming apparatus determining toner replacement timing | Kazunori Tanaka, Kanako Morimoto, Kenichi Tamaki | 2022-04-19 |
| 11249415 | Image forming apparatus using two-component developer including toner and carrier that determines toner charge amount based on a developing current | Takahiro Okubo, Yohei Wakasa, Kazuhiro Nakachi | 2022-02-15 |