Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6561611 | Detector unit and ink cartridge incorporated in recording apparatus, and method of judging presence of the ink cartridge using the detector unit | Yoichi Kobayashi, Kazuhisa Takeda, Norihiro Yamashita, Kazuo Otsuka, Norihiko Kurashima | 2003-05-13 |