Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10823393 | LED illumination device with speaker function, and method for extracting light and sound from LED illumination device with speaker function | Syunji Yamamoto, Tetsuji Kubota, Masahiro Okumura | 2020-11-03 |