Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5292156 | Corrugated pipe coupling | Takeya Sasa | 1994-03-08 |
| 5290148 | High head pump-turbines | Sachio Tsunoda, Hiroshi Tanaka, Ichiro Yamagata, Shigeto Fujiki, Akira Terasaki | 1994-03-01 |