Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9815384 | Wakefulness-maintenance apparatus | Shinji Sugiyama, Toyokazu Nakano, Issey Takahashi | 2017-11-14 |
| 9693726 | Alertness device, seat, and method for determining alertness | Shinji Sugiyama, Takayoshi Ito, Issey Takahashi | 2017-07-04 |