Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5646661 | Ink ejecting device having alternating ejecting channels and non-ejecting channels | Qiming Zhang, Hiroto Sugahara | 1997-07-08 |
| 5625393 | Ink ejecting apparatus with ejecting chambers and non ejecting chambers | — | 1997-04-29 |