Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9970170 | Sluice gate | Hiroshi Terata, Hiroko Terata, Shoko Kukita, Keiichi Terata, Yoko Terata | 2018-05-15 |
| 9783946 | Sluice gate | Hiroshi Terata, Hiroko Terata, Shoko Kukita, Keiichi Terata, Yoko Terata | 2017-10-10 |