Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868922 | Data modulation/demodulation system utilizing demodulation clocks that differ in phase | Kentaro Tsuji, Tsuneo Fujiwara, Shigemi Maeda, Taeshi Yamaguchi, Toshihisa Deguchi | 1989-09-19 |
| 4843604 | Beam controller for magneto-optical disc memory system | Tetsuo Fujiwara, Hiroshi Fuji, Takashi Iwaki, Toshihisa Deguchi | 1989-06-27 |