Issued Patents 2020
Showing 1–3 of 3 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, Chiho Haruta, Makoto Tateno | 2020-12-08 |
| 10609495 | Hearing aid | Kazuteru Nishiyama | 2020-03-31 |
| 10582315 | Feedback canceller and hearing aid | Masahiro Sunohara | 2020-03-03 |