Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D938595 | Earphone | Takashi Iwakura, Kei Koyama | 2021-12-14 |
| 11051097 | Installation structure of vibrator | Takashi Iwakura | 2021-06-29 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D938595 | Earphone | Takashi Iwakura, Kei Koyama | 2021-12-14 |
| 11051097 | Installation structure of vibrator | Takashi Iwakura | 2021-06-29 |