Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4255766 | Facsimile signal superposing system | Hideo Matsuda, Takashi Kawade, Takaaki Adachi, Kenichi Hanabe | 1981-03-10 |
| 4217467 | Amplitude and periodic phase modulation transmission system | Kazuo Kobayashi, Yutaka Suzuki | 1980-08-12 |