Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5762447 | Method and apparatus of continuously measuring heat quantity need to melt snow lying on road and prevent freezing of road | Junichi Yamazaki, Tadayuki Yamada, Satoshi Yasumoto, Masaaki Hagiwara | 1998-06-09 |