Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11384274 | Diverting agent and method of filling fracture in well using same | Tomoya Fujita, Chizuko Furo | 2022-07-12 |
| 11230659 | Filling material for underground treatment, underground treatment method and filling well wall method | Masaya Nakai | 2022-01-25 |