Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11375307 | Earphone device | Tomohiro Matsuo, Takashi Ohta, Tomohiro Ito | 2022-06-28 |
| 11363366 | Headphone device | Kenichi Oide, Shinsuke Kanayama, Pingwee Chia, Chinngiap Heng | 2022-06-14 |