Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11384498 | Sluice gate | Hiroshi Terata, Hiroko Terata, Shoko Kukita, Keiichi Terata | 2022-07-12 |
| 10612204 | Sluice gate | Hiroshi Terata, Hiroko Terata, Shoko Kukita, Keiichi Terata | 2020-04-07 |
| 9970170 | Sluice gate | Hiroshi Terata, Hiroko Terata, Akira Ishido, Shoko Kukita, Keiichi Terata | 2018-05-15 |
| 9783946 | Sluice gate | Hiroshi Terata, Hiroko Terata, Akira Ishido, Shoko Kukita, Keiichi Terata | 2017-10-10 |