Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4580450 | Valve with a level gauge for a liquefied carbon dioxide container | Shiro Ota, Jiro Nitta, Teruo Hatori, Akira Oi | 1986-04-08 |
| 4465518 | Process for strengthening soft soil | Etsuo Asanagi, Osamu Terashima | 1984-08-14 |
| 4443260 | Method for strengthening soft soil | Etsuo Asanagi, Junsuke Iguchi, Ikuo Okabayashi | 1984-04-17 |
| 4367986 | Method for improving the strength of a water-saturated soft soil | Ikuo Okabayashi, Etsuo Asanagi | 1983-01-11 |
| 4306910 | Method for strengthening water-saturated soft soils | Etsuo Asanagi | 1981-12-22 |
| 4299516 | Method for improving the strength of a water-saturated soft soil | Ikuo Okabayashi, Etsuo Asanagi | 1981-11-10 |