Issued Patents 2002
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6490683 | Optical disk having electronic watermark, reproducing apparatus thereof and copy protecting method using the same | Hisashi Yamada, Tadashi Kojima, Kouichi Hirayama | 2002-12-03 |
| 6456783 | Data structure of stream data, and recording and playback method thereof | Hideki Mimura | 2002-09-24 |
| 6453119 | Information recording medium, method for recording information, and method for reproduction information | Koji Maruyama, Yoshiyuki Ishizawa, Shinichi Kikuchi, Kazuhiko Taira | 2002-09-17 |
| 6453116 | Recording medium of stream data, and recording method and playback method of the same | Kazuyuki Uyama, Yuuji Ito, Shinichi Kikuchi | 2002-09-17 |
| 6389222 | Management system for protected and temporarily-erased still picture information | Shinichi Kikuchi, Kazuhiko Taira, Yuji Ito | 2002-05-14 |
| 6385744 | Data recording medium, data recording method and data reproducing method | Hideki Takahashi, Hiroaki Unno | 2002-05-07 |
| 6385389 | Information recording medium, method for recording information, and method for reproduction information | Koji Maruyama, Yoshiyuki Ishizawa, Shinichi Kikuchi, Kazuhiko Taira | 2002-05-07 |
| 6373803 | Stream data generation method and partial erase processing method | Kazuyuki Uyama, Yuuji Ito, Shinichi Kikuchi | 2002-04-16 |
| 6360056 | Information storage system capable of recording and playing back a plurality of still pictures | Shinichi Kikuchi, Kazuhiko Taira, Yuji Ito | 2002-03-19 |
| 6356706 | Information recording method and information reproducing method | Hiroaki Unno | 2002-03-12 |
| 6353702 | Information storage system capable of recording and playing back a plurality of still pictures | Shinichi Kikuchi, Kazuhiko Taira, Yuji Ito | 2002-03-05 |
| 6341196 | Information recording method and information reproducing method for compressed video information | Hiroaki Unno | 2002-01-22 |
| 6341197 | Information recording method and information reproducing method | Hiroaki Unno | 2002-01-22 |
| 6339672 | Information recording method and information reproducing method | Hiroaki Unno | 2002-01-15 |
| 6339674 | Information recording method and information reproducing method | Hiroaki Unno | 2002-01-15 |
| 6338139 | Information reproducing apparatus, authenticating apparatus, and information processing system | Masaki Nakagawa, Yoshiyuki Ishizawa, Tadashi Kojima | 2002-01-08 |