Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12110647 | Bag body and method for producing bag body | Satoshi Inagaki, Hidehiro Fujita, Issei Umetsu, Hirofumi Koyama, Masataka Kinoshita +1 more | 2024-10-08 |
| 11685597 | Bag material and crushed stone placement method using bag material | Hironori Kawamura, Yoshihiro Ogawa, Shigeru Matsuo | 2023-06-27 |
| 11332902 | Scour prevention unit and scour prevention method | Ikuo Moriyama, Kotaro ODA, Shigeru Matsuo, Hironori Kawamura | 2022-05-17 |