Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11150578 | Developing device having air discharge duct and image forming apparatus including the developing device | Minoru Wada, Yuji Kamiyama, Yu Sasaki, Yukari Ota, Ryo Yamada | 2021-10-19 |
| 11112730 | Developing device allowing selection of a stirring/conveying member to be used from a plurality of types of stirring/conveying members with rotary shafts with different shaft-diameters and image forming apparatus therewith | Ryo Yamada, Yuji Kamiyama, Yu Sasaki | 2021-09-07 |