Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5697144 | Method of producing a head for the printer | Masao Mitani, Kenji Yamada, Katsunori Kawasumi, Kazuo Shimizu | 1997-12-16 |
| 5666140 | Ink jet print head | Masao Mitani, Kenji Yamada | 1997-09-09 |