Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7457570 | Image forming apparatus including a magnetic brush developing system using a two-component developer comprising toner and carrier | Tadashi Kasai, Hideki Kimura, Katsumi Masuda, Hideo Yoshizawa, Kiyotaka Sakai | 2008-11-25 |