Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8086090 | Recording medium and playback apparatus for selecting sub-picture data according to combination of aspect ratio of display screen and type of display mode | Kazuhiko Yamauchi, Masayuki Kozuka, Shinichi Saeki, Katsuhiko Miwa | 2011-12-27 |
| 7900062 | Unauthorized contents detection system | Masao Nonaka, Yuichi Futa, Toshihisa Nakano, Kaoru Yokota, Motoji Ohmori +3 more | 2011-03-01 |
| 7877000 | Multimedia optical disc storing both video titles provided with AV functions and video titles with no such functions which can instantly distinguish between such kinds of titles, and a reproduction apparatus and reproduction method for such disc | Kazuhiko Yamauchi, Shinichi Saeki, Katsuhiko Miwa, Masayuki Kozuka | 2011-01-25 |