Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5649346 | Manufacturing method for ink jet printer head | Kazushige Katsuumi, Toshihilo Tsukamoto | 1997-07-22 |
| 5590451 | Manufacturing method for ink jet printer head | Kazushige Katsuumi, Toshihiro Tsukamoto | 1997-01-07 |