Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6443546 | Printing apparatus and control method that includes an optical detector for detecting the presence or absence of an ink tank and ink therein | — | 2002-09-03 |
| 6361136 | Detection system, liquid-jet printing apparatus and liquid container | Itaru Watanabe, Soichi Hiramatsu, Osamu Sato, Kenta Udagawa | 2002-03-26 |