Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D474497 | Image forming apparatus | Tachio Kawai, Kanji Yokomori, Tadashi Horikawa, Takeshi Arimitsu, Koji Hashimoto +1 more | 2003-05-13 |
| D474232 | Image forming apparatus | Tachio Kawai, Kanji Yokomori, Tadashi Horikawa, Takeshi Arimitsu, Koji Hashimoto +1 more | 2003-05-06 |
| 6553189 | Optical guide, process cartridge, and electrophotographic image forming apparatus | Tadashi Horikawa | 2003-04-22 |
| 6505007 | Developer remaining amount detecting method, developing device, process cartridge and electrophotographic image forming apparatus | Koji Miura, Tatsuya Suzuki | 2003-01-07 |