Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8345905 | Hearing aid | Keiichi Takeda, Yosimasa Simogochi, Minoru Tada, Makoto Yagi | 2013-01-01 |
| 8270645 | Hearing aid | Keiichi Takeda, Yosimasa Simogochi, Minoru Tada, Makoto Yagi | 2012-09-18 |