Issued Patents 2003
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6648459 | Valve unit in ink supply channel of ink-jet recording apparatus, ink cartridge using the valve unit, ink supply needle and method of producing the valve unit | Takao Kobayashi, Satoshi Shinada, Hisashi Miyazawa, Takahiro Naka | 2003-11-18 |
| 6634738 | Ink cartridge for ink-jet printing apparatus | Satoshi Shinada, Takahiro Naka, Takeo Seino, Koichi Toba | 2003-10-21 |
| 6585358 | Ink cartridge for ink jet recording apparatus, connection unit and ink jet recording apparatus | Hisashi Miyazawa | 2003-07-01 |
| 6561633 | Ink jet recording head having spacer with etched pressurizing chambers and ink supply ports | — | 2003-05-13 |
| 6550902 | Ink-jet printing apparatus and ink cartridge therefor | Satoshi Shinada, Fujio Akahane, Takao Kobayashi, Makoto Matsuzaki | 2003-04-22 |
| 6540322 | Ink jet recording apparatus and ink suction method of the recording head | Kenji Tsukada, Takahiro Katakura, Tomoaki Takahashi, Kazuhiko Hara | 2003-04-01 |
| 6536861 | Liquid container having liquid consumption detecting device | Kenji Tsukada, Munehide Kanaya | 2003-03-25 |
| 6502917 | Ink-jet printing apparatus and ink cartridge therefor | Satoshi Shinada, Fujio Akahane, Takao Kobayashi, Makoto Matsuzaki | 2003-01-07 |
| 6502929 | Laminated ink jet recording head having a plurality of actuator units | Yuji Tanaka, Koji Watanabe, Tomoaki Abe, Takayuki Ishii, Naomi Shirakawa +4 more | 2003-01-07 |