Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5684473 | Measuring apparatus for detecting distance between vehicles and related warning system | Noriaki Shirai, Takao Nishimura | 1997-11-04 |
| 5631639 | Collision alarm system for automotive vehicle | Noriaki Shirai, Takao Nishimura | 1997-05-20 |