Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8346134 | Developing device and image forming apparatus that include a developer transport amount regulation part | Masayoshi Nakayama, Yoshitaka Fujinuma, Tatsuya Kubo | 2013-01-01 |
| 8045893 | Developing device and image forming apparatus including inclined transport screw | Masayoshi Nakayama, Yoshitaka Fujinuma, Tatsuya Kubo | 2011-10-25 |