Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4815107 | Digital code decoding apparatus | Hideo Kishimoto, Keizo Sugita | 1989-03-21 |
| 4367375 | Push-button dial circuit | Yuuji Tsuruga, Akihiro Kobayashi, Yutaka Nishino | 1983-01-04 |
| 4319094 | Three-terminal power supply circuit for telephone set | Tatsuhiro Naganawa, Kunihiro Kato | 1982-03-09 |