Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6670087 | Toner, image-forming apparatus, process cartridge and image forming method | Hiroyuki Fujikawa, Masaaki Taya, Masami Fujimoto | 2003-12-30 |
| 6653036 | Magnetic toner and image forming method | Hirohide Tanikawa, Masami Fujimoto, Hiroyuki Fujikawa | 2003-11-25 |