Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9768519 | Wireless communication device and wireless communication method | Koji Akita | 2017-09-19 |
| 9693726 | Alertness device, seat, and method for determining alertness | Shinji Sugiyama, Kiyoko Yokoyama, Issey Takahashi | 2017-07-04 |