Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10863272 | System identification device, system identification method, system identification program, and recording medium recording system identification program | Kiyoshi Nishiyama, Masahiro Sunohara, Nobuhiko Hiruma, Chiho Haruta | 2020-12-08 |
| 8126175 | Hearing aid device | Takatoshi Okuno, Katsumi Tanaka | 2012-02-28 |
| 8111849 | Hearing aid | Katsuya Nakao | 2012-02-07 |
| 5387875 | Output circuit capable of driving a vibration device | — | 1995-02-07 |