Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8879765 | Hearing optimization device and hearing optimization method | Keisuke Oizumi, Masahiko Ohgushi, Keiichi Kato | 2014-11-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8879765 | Hearing optimization device and hearing optimization method | Keisuke Oizumi, Masahiko Ohgushi, Keiichi Kato | 2014-11-04 |