Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5078542 | Apparatus to prevent the entrance of aquatic species into the intake watercourse | Tohru Yoshikawa, Mamoru Abe, Hidehiko Maehata, Hiroaki Arai, Hiroyuki Daiku +2 more | 1992-01-07 |