Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4443260 | Method for strengthening soft soil | Hajime Miyoshi, Etsuo Asanagi, Junsuke Iguchi | 1984-04-17 |
| 4367986 | Method for improving the strength of a water-saturated soft soil | Hajime Miyoshi, Etsuo Asanagi | 1983-01-11 |
| 4299516 | Method for improving the strength of a water-saturated soft soil | Hajime Miyoshi, Etsuo Asanagi | 1981-11-10 |