Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6043869 | Optical device for measuring speed | Junichi Takagi, Yasunobu Sakai | 2000-03-28 |
| 5557395 | Optical device for measuring speed | Junichi Takagi, Yasunobu Sakai | 1996-09-17 |