Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12227193 | Driver assistance system and driver assistance method | Koichiro YAMAUCHI, Takuya Sakata | 2025-02-18 |
| 12029551 | Drowsiness sign notification system | Takuya Sakata, Koichiro YAMAUCHI, Hiromi Nemoto, Shunichiroh Sawai | 2024-07-09 |
| 11919522 | Apparatus and method for determining state | Koichiro YAMAUCHI, Shunichiroh Sawai, Takuya Sakata | 2024-03-05 |
| 11897481 | Driver assistance system and driver assistance method | Koichiro YAMAUCHI, Takuya Sakata | 2024-02-13 |
| 11807246 | Drowsiness sign notification system and drowsiness sign notification method | Kaori Sakai, Takaaki Ito, Tetsu Yajima, Koichiro YAMAUCHI, Takuya Sakata | 2023-11-07 |
| 11636749 | Drowsiness sign notification system, drowsiness sign notification method, and drowsiness sign notification program | Koichiro YAMAUCHI, Shunichiroh Sawai, Takuya Sakata, Hiromi Nemoto | 2023-04-25 |
| 11462027 | Eye opening degree calculation device | Yosuke Morino, Kimimasa TAMURA, Koichiro YAMAUCHI, Takuya Sakata, Taku Mitsumori | 2022-10-04 |
| 11453401 | Closed eye determination device | Koichiro YAMAUCHI, Takuya Sakata, Taku Mitsumori, Kimimasa TAMURA, Yosuke Morino | 2022-09-27 |