Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6653038 | Toner, image forming method and process cartridge | Satoshi Matsunaga, Junko Yoshikawa | 2003-11-25 |
| 6613490 | Toner, image forming method and process-cartridge | Satoshi Matsunaga, Yuichi Mizoh, Junko Yoshikawa | 2003-09-02 |
| 6593052 | Toner, image forming method and process cartridge | Junko Yoshikawa, Yuichi Mizoo, Satoshi Matsunaga, Tadashi Dojo, Nene Shibayama | 2003-07-15 |