Issued Patents 2004
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6802602 | Ink cartridge and ink jet record apparatus using ink cartridge | Yasuto Sakai, Kenji Tsukada | 2004-10-12 |
| 6796642 | Ink cartridge and its manufacturing method | Koichi Toba | 2004-09-28 |
| 6796635 | Ink cartridge and inkjet printer | — | 2004-09-28 |
| 6793330 | Ink cartridge for ink-jet printing apparatus | Minoru Usui, Takahiro Naka, Hisashi Miyazawa, Takeo Seino, Hisashi Koike +1 more | 2004-09-21 |
| 6786583 | Ink cartridge storage structure and method | Mutsuhiko Ota, Yukiharu Suda, Hisashi Koike, Michinari Tsukahara | 2004-09-07 |
| 6786581 | Ink-jet printing apparatus and ink cartridge | Takeo Seino, Hisashi Miyazawa, Koichi Toba, Takahiro Naka, Minoru Usui +2 more | 2004-09-07 |
| 6755515 | Ink cartridge for ink-jet printing apparatus | Minoru Usui, Takahiro Naka, Hisashi Miyazawa, Takeo Seino, Hisashi Koike +8 more | 2004-06-29 |
| 6722762 | Ink-jet recording device and ink cartridge | Hisashi Miyazawa, Yasuto Sakai | 2004-04-20 |
| 6705712 | Ink cartridge, ink jet recording device using the same, and method for controlling the cleaning of a recording head of the ink jet recording device | Minoru Usui, Kazuhiko Hara, Kiyotaka Sema, Takahiro Naka, Hitoshi Hayakawa +1 more | 2004-03-16 |
| 6672695 | Ink cartridge management system, printer, and ink cartridge | Takahiro Naka, Hiroaki Tojyo, Toshihisa Saruta | 2004-01-06 |