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 | Hiroyuki Fujikawa, Masaaki Taya, Takakuni Kobori | 2003-12-30 |
| 6653036 | Magnetic toner and image forming method | Hirohide Tanikawa, Takakuni Kobori, Hiroyuki Fujikawa | 2003-11-25 |
| 6541174 | Method using toner and developer for developing electrostatic image | Hirohide Tanikawa, Toshiaki Nakahara, Keita Nozawa, Kazuyoshi Hagiwara, Minoru Shimojo +2 more | 2003-04-01 |