Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10631095 | Speaker device, and method for improving sound quality of speaker device | Kazuaki Machida | 2020-04-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10631095 | Speaker device, and method for improving sound quality of speaker device | Kazuaki Machida | 2020-04-21 |