Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10877401 | Feeding screw and developing device | Shunsuke Tsuda | 2020-12-29 |
| 10642192 | Developing device having a feeding screw with multiple blade portions | Shunsuke Tsuda, Mitsuyoshi Arakawa, Masahiro Ootsuka, Fumiyoshi Saito | 2020-05-05 |
| 10545432 | Feeding screw and developing device | Shunsuke Tsuda | 2020-01-28 |