Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5032820 | Two-wire television interphone system | Yoshihiro Tanikawa, Yoshiaki Ueno, Masahiko Amano, Muneo Suzuki, Kazuhito Kayanoki | 1991-07-16 |
| 4951312 | Balanced transmission device | Yoshihiro Tanikawa, Yoshiaki Ueno | 1990-08-21 |
| 4393514 | Superregenerative receiver | Toshio Abiko, Hiromitsu Inoue | 1983-07-12 |