Issued Patents 2002
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6441979 | Apparatus for recording and reproducing digital information signals of different transmission rates | Nobutaka Amada, Takao Arai | 2002-08-27 |
| 6429985 | Digital information recording apparatus and digital information recording and reproducing apparatus | Nobutaka Amada, Takao Arai | 2002-08-06 |
| 6388831 | Apparatus and method for limiting the reproduction of main information | Hiroaki Ono, Kiyoshi Kano, Hideo Nishijima, Takao Arai, Nobutaka Amada +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 | Hitoaki Owashi, 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, Hitoaki Owashi, Noriyuki Kumasaka, Hideo Zama | 2002-01-15 |