Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10118313 | Tubular in-line mixing device | Tsuyoshi Takahashi | 2018-11-06 |
| 10030346 | Direct power compaction method | Tsuyoshi Takahashi | 2018-07-24 |
| 9702108 | Direct power compaction method | Tsuyoshi Takahashi | 2017-07-11 |
| 4906142 | Side cutting blades for multi-shaft auger system and improved soil mixing wall formation process | Osamu Taki | 1990-03-06 |
| 4886400 | Side cutting blades for multi-shaft auger system and improved soil mixing wall formation process | Osamu Taki | 1989-12-12 |