Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11530520 | Pile press-in machine and pile press-in method | Hiroaki Tanouchi, Masaaki Ono, Toshio Ikeda | 2022-12-20 |
| 11519149 | Pile joint, pile coupling structure, and pile coupling method | Masahiko Yoshikawa | 2022-12-06 |