Issued Patents 2005
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6975816 | Method, device, system and recording medium for detecting improper cartridge, and cartridge | Yoshihiro Ito, Takeshi Watanabe | 2005-12-13 |
| 6970656 | Method, device, system and recording medium for detecting improper cartridge, and cartridge | Yoshihiro Ito, Takeshi Watanabe | 2005-11-29 |
| 6968135 | Method, device, system and recording medium for detecting improper cartridge, and cartridge | Yoshihiro Ito, Takeshi Watanabe | 2005-11-22 |
| 6944409 | Method, device, system and recording medium for detecting improper cartridge, and cartridge | Yoshihiro Ito, Takeshi Watanabe | 2005-09-13 |
| 6904242 | Method, device, system and recording medium for detecting improper cartridge, and cartridge | Yoshihiro Ito, Takeshi Watanabe | 2005-06-07 |
| 6879786 | Method, device, system and recording medium for detecting improper cartridge, and cartridge | Yoshihiro Ito, Takeshi Watanabe | 2005-04-12 |
| 6871027 | Method, device, system and recording medium for detecting improper cartridge, and cartridge | Yoshihiro Ito, Takeshi Watanabe | 2005-03-22 |
| 6853814 | Method, device, system and recording medium for detecting improper cartridge, and cartridge | Yoshihiro Ito, Takeshi Watanabe | 2005-02-08 |