Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5769085 | Apparatus for detecting awareness of a vehicle driver and method thereof | Yoshiharu Takigawa, Kouichi Kamiya, Katsunori Hamatani, Eiji Sato, Yasufumi Sekine | 1998-06-23 |
| 5717606 | Apparatus for judging driving attentiveness with respect to a ratio of steering frequency components and a method therefor | Toru Hara, Koichi Kamiya, Tetsuya FURUICHI | 1998-02-10 |
| 5574641 | Apparatus and method for improving the awareness of vehicle drivers | Yoshiharu Takigawa, Arihiro Isomura, Kouichi Kamiya, Katsunori Hamatani | 1996-11-12 |
| 5488353 | Apparatus and method for improving the awareness of vehicle drivers | Yoshiharu Takigawa, Arihiro Isomura, Kouichi Kamiya, Katsunori Hamatani | 1996-01-30 |