Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6145956 | Discharge recovery method and apparatus for an ink jet recording head | Hitoshi Sugimoto, Hiroshi Tajika, Miyuki Matsubara, Atsushi Arai | 2000-11-14 |
| 5963227 | Ink jet recording apparatus | Haruo Uchida, Hiroshi Tajika, Hiromitsu Hirabayashi | 1999-10-05 |
| 5495271 | Ink jet recording apparatus that individually controls ink ejection from plural recording heads during a non-recording operation | Haruo Uchida, Hiroshi Tajika, Hiromitsu Hirabayashi | 1996-02-27 |