Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4452019 | Antiseismic reinforcement method for an existing building with a concrete block system | Yamaguchi Ikuo, Higashibata Yasuo, Nagashima Toshio, Sugano Shunsuke | 1984-06-05 |
| 4441289 | Earthquake-resistant reinforcement structure for an existing building with compression braces or tension braces | Yamaguchi Ikuo, Higashibata Yasuo | 1984-04-10 |