Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5697144 | Method of producing a head for the printer | Kenji Yamada, Katsunori Kawasumi, Kazuo Shimizu, Osamu Machida | 1997-12-16 |
| 5670996 | Thermal ink jet recording device and method of cleaning a recording head | — | 1997-09-23 |
| 5666140 | Ink jet print head | Kenji Yamada, Osamu Machida | 1997-09-09 |
| 5621524 | Method for testing ink-jet recording heads | — | 1997-04-15 |