Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6659683 | Anti-slipping agent for frozen road surface and spreading method thereof, and apparatus for spreading the anti-slipping agent for frozen road surface | Chisato Yamamoto, Genzo Kato | 2003-12-09 |