Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D938594 | Earphone | Takashi Iwakura | 2021-12-14 |
| 11184720 | Electroacoustic transducer and acoustic device | Takashi Iwakura | 2021-11-23 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D938594 | Earphone | Takashi Iwakura | 2021-12-14 |
| 11184720 | Electroacoustic transducer and acoustic device | Takashi Iwakura | 2021-11-23 |