Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6802602 | Ink cartridge and ink jet record apparatus using ink cartridge | Yasuto Sakai, Satoshi Shinada | 2004-10-12 |
| 6799820 | Liquid container having a liquid detecting device | Minoru Usui, Munehide Kanaya | 2004-10-05 |
| 6793305 | Method and apparatus for detecting consumption of ink | Munehide Kanaya | 2004-09-21 |
| 6745626 | Liquid detecting piezoelectric device, liquid container and mounting module member | Minoru Usui, Munehide Kanaya | 2004-06-08 |
| 6729184 | Detector of liquid consumption condition | Munehide Kanaya | 2004-05-04 |