Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6891555 | Card-making method and system as well as heat treatment mechanism for cards and image-forming apparatus incorporating the same | Yoshiki Minowa | 2005-05-10 |
| 6565204 | Image-forming method and transfer sheet film therefor as well as image-forming apparatus | Kunihiko Matsuhashi | 2003-05-20 |
| 6422692 | Ink cartridge | Atsushi Yamazaki | 2002-07-23 |
| 6412933 | Ink cartridge device | Shunji Umemura | 2002-07-02 |
| 6286946 | Ink cartridge device | Shunji Umemura | 2001-09-11 |