Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9842710 | Key switch device and keyboard | — | 2017-12-12 |
| 9786213 | Display device with basic control mode and low frequency control mode | Hideyuki Nakanishi, Toshikazu Koudo | 2017-10-10 |