Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839922 | CATV scrambling and descrambling method | Kenji Imasaki, Toshiaki Ichihashi | 1989-06-13 |
MS
Masafumi Sasaki
Overall (1989): #79,024 of 140,708Top 60%
1
Patents 1989