Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5786765 | Apparatus for estimating the drowsiness level of a vehicle driver | Sae Kumakura, Toru Hara | 1998-07-28 |
| 4222587 | Driving device for a motor car seat belt | Shozo Kamiharako | 1980-09-16 |