Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6670087 | Toner, image-forming apparatus, process cartridge and image forming method | Masaaki Taya, Takakuni Kobori, Masami Fujimoto | 2003-12-30 |
| 6653036 | Magnetic toner and image forming method | Hirohide Tanikawa, Masami Fujimoto, Takakuni Kobori | 2003-11-25 |
| 6620860 | Friction material | Katsuya Okayama, Yukinori Yamashita | 2003-09-16 |