Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5416508 | CATV system with transmission of program schedules, linked program broadcasts, and permissive ordering periods | Kazushi Sakuma, Eiji Ohga, Masahiko Kawasaki, Tatsuo Takahashi, Ruysuke Tozaki | 1995-05-16 |
| 5113441 | Method for scrambling a television signal and method and apparatus for descrambling a scrambled television signal | — | 1992-05-12 |
| 5103477 | Method and apparatus for descrambling a television signal | Akira Ideno | 1992-04-07 |