Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868922 | Data modulation/demodulation system utilizing demodulation clocks that differ in phase | Tsuneo Fujiwara, Shigemi Maeda, Taeshi Yamaguchi, Toshihisa Deguchi, Shozou Kobayashi | 1989-09-19 |