Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5158263 | Flow rate control valve | Tetsuo Shimizu | 1992-10-27 |
| 5094430 | Control valve | Takashi Shirai, Tetsuo Shimizu, Hiroshi Ohsasa | 1992-03-10 |
| 4695034 | Fluid control device | Tetsuo Shimizu, Kiyoharu Tujimura | 1987-09-22 |