Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6966638 | Ink cartridge and assembling method of atmospheric open valve in ink cartridge | Mutsuhiko Ota, Hisashi Koike, Satoshi Shinada, Michinari Tsukahara, Hisashi Miyazawa | 2005-11-22 |
| 6926396 | Ink cartridge and method of ink injection thereinto | Mutsuhiko Ota, Hisashi Koike, Satoshi Shinada, Michinari Tsukahara, Hisashi Miyazawa | 2005-08-09 |
| 6851797 | Method of filling recording material in recording material container and filling apparatus | Hisashi Koike, Noboru Asauchi, Koichi Otsuki | 2005-02-08 |