Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6498691 | Digital transmission signal processing system and recording/reproducing system | Hideo Arai, Hitoaki Owashi, Kyoichi Hosokawa, 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 |