Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5682190 | Ink jet head and apparatus having an air chamber for improving performance | Toshiaki Hirosawa, Yutaka Koizumi, Jiro Moriyama, Torachika Osada, Hidemi Kubota | 1997-10-28 |
| 5592200 | Ink jet apparatus capable of practicing an improved recovery operation | — | 1997-01-07 |