Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6789491 | Friction reducing ship and method for reducing frictional resistance | Yoshiaki Takahashi | 2004-09-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6789491 | Friction reducing ship and method for reducing frictional resistance | Yoshiaki Takahashi | 2004-09-14 |