Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6498691 | Digital transmission signal processing system and recording/reproducing system | Hideo Arai, Kyoichi Hosokawa, Keizo Nishimura, Yoshizumi Watatani, Akira Shibata | 2002-12-24 |
| 6388831 | Apparatus and method for limiting the reproduction of main information | Hiroaki Ono, Kiyoshi Kano, Hideo Nishijima, Takao Arai, Takaharu Noguchi +5 more | 2002-05-14 |
| 6363210 | Communication system for encrypted data and apparatus for selectively recording and reproducing received analog signal and received digital signal | Takaharu Noguchi, Hiroo Okamoto, Kyoichi Hosokawa, Kazuhiko YOSHIZAWA, Nobutaka Amada +3 more | 2002-03-26 |
| 6339676 | Video signal recording and reproducing apparatus compatible with analog and digital video signal recording and reproducing | Nobutaka Amada, Takaharu Noguchi, Noriyuki Kumasaka, Hideo Zama | 2002-01-15 |