Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6653038 | Toner, image forming method and process cartridge | Junko Yoshikawa, Ryota Kashiwabara | 2003-11-25 |
| 6613490 | Toner, image forming method and process-cartridge | Yuichi Mizoh, Junko Yoshikawa, Ryota Kashiwabara | 2003-09-02 |
| 6593052 | Toner, image forming method and process cartridge | Junko Yoshikawa, Yuichi Mizoo, Tadashi Dojo, Nene Shibayama, Ryota Kashiwabara | 2003-07-15 |
| 6586151 | Toner, process for producing toner image forming method and apparatus unit | Takeshi Naka, Yuichi Mizoo, Masami Azuma, Takashige Kasuya, Tadashi Dojo +4 more | 2003-07-01 |