Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11252493 | Hearing device and earphone | Akihiro Soeta, Misae Shiba, Mikio Shiba | 2022-02-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11252493 | Hearing device and earphone | Akihiro Soeta, Misae Shiba, Mikio Shiba | 2022-02-15 |