Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6763209 | Process cartridge remanufacturing method | Akira Higeta, Takayoshi Hoshi | 2004-07-13 |
| 6735404 | Process cartridge and remanufacturing method therefor | Akira Higeta, Takayoshi Hoshi | 2004-05-11 |
| 6721520 | Remanufacturing method for process cartridge | Akira Higeta, Yoshiyuki Kakumi | 2004-04-13 |