Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4341838 | Molding compositions and diaphragms, arm pipes and head shells molded therefrom | Tsunehiro Tsukagoshi, Shinichi Yokozeki, Toshikazu Yoshino, Yasuyuki Arai | 1982-07-27 |
| 4321585 | Interpolative digital-to-analog converter for linear PCM code | Hiroshi Kosugi | 1982-03-23 |