Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10469935 | Bone conduction speaker and bone conduction headphone device | Hiroshi Kunimoto | 2019-11-05 |
| 10341757 | Earphone | Keisuke Fujimoto | 2019-07-02 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10469935 | Bone conduction speaker and bone conduction headphone device | Hiroshi Kunimoto | 2019-11-05 |
| 10341757 | Earphone | Keisuke Fujimoto | 2019-07-02 |