Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5139364 | Automatic swing fishway apparatus | Tosiyuki Yokota, Kunikazu Arakeda, Toshinori Tabuchi, Koji Shitami | 1992-08-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5139364 | Automatic swing fishway apparatus | Tosiyuki Yokota, Kunikazu Arakeda, Toshinori Tabuchi, Koji Shitami | 1992-08-18 |