Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10715896 | Speaker and speaker mounting structure | Hiroyuki Kumakura, Akira SHIGETA | 2020-07-14 |
| 10701467 | Speaker and speaker mounting structure | Hiroyuki Kumakura, Akira SHIGETA | 2020-06-30 |