Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5678803 | Fluid controller | Tsutomu Shinohara, Nobukazu Ikeda, Tetsuya Kojima | 1997-10-21 |
| 5669596 | Diaphragm valve | Tetsuya Kojima | 1997-09-23 |
| 5634627 | Controller | Kunihiko Daido, Shuhei Ogawa | 1997-06-03 |