Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6593052 | Toner, image forming method and process cartridge | Junko Yoshikawa, Satoshi Matsunaga, Tadashi Dojo, Nene Shibayama, Ryota Kashiwabara | 2003-07-15 |
| 6586151 | Toner, process for producing toner image forming method and apparatus unit | Takeshi Naka, Satoshi Matsunaga, Masami Azuma, Takashige Kasuya, Tadashi Dojo +4 more | 2003-07-01 |
| 6537715 | Toner, image-forming method and process cartridge | Takeshi Naka, Masami Azuma, Takashige Kasuya, Tadashi Dojo, Tsuneo Nakanishi +3 more | 2003-03-25 |