Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873581 | Field/frame conversion circuit | Yasuhito Kobayashi | 1989-10-10 |
| 4812919 | Field/frame conversion circuit | Yasuhito Kobayashi | 1989-03-14 |
| 4804925 | DPSK exclusive-OR demodulator | Katsuo Nakadai, Izumi Miyake, Kiyotaka Kaneko, Kazuya Oda | 1989-02-14 |