Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6593280 | Friction reducing coating for engineering works, and sheet pile, steel tubular pipe and construction method | Toshiaki Matsunaga, Akira Hattori | 2003-07-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6593280 | Friction reducing coating for engineering works, and sheet pile, steel tubular pipe and construction method | Toshiaki Matsunaga, Akira Hattori | 2003-07-15 |