Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11371202 | Ground improvement apparatus and ground improvement method | Yuki Imai, Yuji Yamashita | 2022-06-28 |
| 11319687 | Ground improvement apparatus | Yuki Imai, Yuji Yamashita | 2022-05-03 |
| 9181672 | Method of soil compaction and densification | Junnosuke Matsumoto, Masaru Sakakibara, Kazunori Matsushita, Frank Vespi | 2015-11-10 |