Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7881641 | Developing cartridge, developing device, and image forming apparatus | Takeshi Aoki, Katsumi Okamoto, Koji Migita, Makoto Sato | 2011-02-01 |
| 7881644 | Developing device and image forming apparatus | Katsumi Okamoto, Koji Migita, Makoto Sato, Takeshi Aoki | 2011-02-01 |