Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5059063 | Method of protecting underground structures in ground liable to be liquefied | Tadao Sugimoto, Shigeki Tsuchiyama, Makoto Hayakawa, Yozo Goto, Tadao Koide +2 more | 1991-10-22 |
| 5017046 | Method of protecting a structure constructed on ground liable to be liquefied | Tadao Sugimoto, Shigeki Tsuchiyama, Makoto Hayakawa, Yozo Goto, Tadao Koide +2 more | 1991-05-21 |