Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11319975 | Pipe connection tool and pipe connection method | Makoto Ishida | 2022-05-03 |
| 11226060 | Pipe rehabilitation method | — | 2022-01-18 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11319975 | Pipe connection tool and pipe connection method | Makoto Ishida | 2022-05-03 |
| 11226060 | Pipe rehabilitation method | — | 2022-01-18 |