Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4504968 | Equalizer apparatus having two dimensional display | Akio Kaneko, Yukihiko Haikawa, Kazuya Nishiga | 1985-03-12 |
| 4473803 | Electronic volume control circuit for audio devices | Akio Kaneko, Kazuya Nishiga, Yukihiko Haikawa | 1984-09-25 |
| 4464781 | Equalizer apparatus | Akio Kaneko | 1984-08-07 |