Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4450438 | Drowsiness alarm system for a vehicle | Yasutoshi Seko, Noburu Fukasawa | 1984-05-22 |
| 4348663 | Safety assurance system for road vehicles | Yasutoshi Seko | 1982-09-07 |
| 4342279 | Device for detecting steering angle and direction | Yasutoshi Seko | 1982-08-03 |
| 4224609 | Driving assurance system for wheeled vehicles | Akira Matsumura | 1980-09-23 |