Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7772717 | Dual wiring system | Tsunehiro Kitamura, Hiroaki Takeyama, Masahiro Yamamoto, Takeshi Ueno, Kazufumi Oogi +2 more | 2010-08-10 |
| 5032820 | Two-wire television interphone system | Yoshikazu Minakuchi, Yoshiaki Ueno, Masahiko Amano, Muneo Suzuki, Kazuhito Kayanoki | 1991-07-16 |
| 4951312 | Balanced transmission device | Yoshikazu Minakuchi, Yoshiaki Ueno | 1990-08-21 |