Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11051785 | Heartbeat detection device and heartbeat detection method | Yusuke Matsumoto, Suguru Nakao | 2021-07-06 |
| 11050870 | Bone conduction microphone, bone conduction headset, and communication device | Suguru Nakao | 2021-06-29 |
| 10972598 | Bone conduction headset | Suguru Nakao | 2021-04-06 |
| 10917709 | Bone conduction speaker and bone conduction headphone device | Suguru Nakao | 2021-02-09 |