Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6474030 | Pile foundation structure | — | 2002-11-05 |
| 6289640 | Seismic isolation sliding support bearing system | Wakao Taguchi, Toshinao Kawai | 2001-09-18 |
| 6102627 | Pile foundation structure | Eiichi Tsuji | 2000-08-15 |