Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5691972 | Multimedia optical disc which conforms to the motion picture rating systems in a variety of countries and a reproducing device for said disc | Kazuhiro Tsuga, Yoshihisa Fukushima, Hideki Mimura, Takeshi Hagio | 1997-11-25 |
| 5613109 | System for outputting reproduction data by judging whether a second data group is outputted after first data group is outputted by reproduction point data | Kazuhiko Yamauchi, Ryousuke Kobayashi, Stuart Donnelly | 1997-03-18 |