Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6498691 | Digital transmission signal processing system and recording/reproducing system | Hideo Arai, Hitoaki Owashi, Keizo Nishimura, Yoshizumi Watatani, Akira Shibata | 2002-12-24 |
| 6430362 | Digital video signal recording/reproducing method and apparatus | Hiroo Okamoto, Nobutaka Amada | 2002-08-06 |
| 6363210 | Communication system for encrypted data and apparatus for selectively recording and reproducing received analog signal and received digital signal | Hitoaki Owashi, Takaharu Noguchi, Hiroo Okamoto, Kazuhiko YOSHIZAWA, Nobutaka Amada +3 more | 2002-03-26 |