Issued Patents 2003
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6669326 | Ink-jet recording apparatus | Hitoshi Sugimoto | 2003-12-30 |
| 6663217 | Ink jet recording apparatus | Naoji Otsuka, Hitoshi Sugimoto | 2003-12-16 |
| 6663233 | Inkjet printing apparatus and ink supplying method | Naoji Otsuka, Hiroyuki Inoue, Masahito Yoshida, Takashi Nojima, Hitoshi Sugimoto +5 more | 2003-12-16 |
| 6648447 | Ink-jet recording apparatus and eject recovery method | Hitoshi Sugimoto | 2003-11-18 |
| 6637874 | Liquid ejecting head, suction recovering method, head cartridge and image forming apparatus | Naoji Otsuka, Hitoshi Sugimoto, Kiichiro Takahashi, Hitoshi Nishikori, Osamu Iwasaki +3 more | 2003-10-28 |
| 6631972 | Ink-jet recording apparatus and control method thereof | — | 2003-10-14 |
| 6543892 | Printing apparatus | Masahiko Kubota, Hideo Saikawa, Tsutomu Shimada, Tsuyoshi Santo, Kenji Maeda +3 more | 2003-04-08 |