Issued Patents All Time
Showing 26–46 of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7823212 | Securely aggregating content on a storage device | Masato Yamamichi, Motoji Ohmori, Masaya Yamamoto, Hiroshi Hamasaka | 2010-10-26 |
| 7796863 | Apparatus and computer-readable program for generating volume image | Tomoyuki Okada, Masayuki Kozuka | 2010-09-14 |
| 7764868 | Recording medium, reproduction device, program, reproduction method, and recording method | Tomoyuki Okada, Masayuki Kozuka, Kazuhiko Nakamura, Wataru Ikeda | 2010-07-27 |
| 7729598 | Recording medium, reproduction apparatus, recording method, program, and reproduction method | Wataru Ikeda, Tomoyuki Okada, Masayuki Kozuka | 2010-06-01 |
| 7725399 | Content usage device and network system, and license information acquisition method | Tohru Nakahara, Masanori Nakanishi, Kouji Miura, Akio Higashi, Takaaki Namba | 2010-05-25 |
| 7672570 | Reproducing apparatus, program and reproducing method | Wataru Ikeda, Tomoyuki Okada | 2010-03-02 |
| 7660511 | Recording medium, playback device, recording method, playback program, and playback method designating cue-up position using playlist mark information | Wataru Ikeda, Tomoyuki Okada | 2010-02-09 |
| RE41096 | Distribution system, semiconductor memory card, receiving apparatus, computer-readable recording medium and receiving method | Kenji Tagawa, Teruto Hirota, Hideki Matsushima, Masayuki Kozuka, Mitsuhiro Inoue +4 more | 2010-02-02 |
| 7551843 | Authoring system, program, and authoring method | Yoshihiro Mori | 2009-06-23 |
| 7359883 | License management system, license management device, relay device and terminal device | Takaaki Namba, Takashi Matsuo, Akio Higashi, Tohru Nakahara, Hiroki Murakami +2 more | 2008-04-15 |
| 7302168 | Optical disk, reproduction apparatus, reproduction method, and recording medium | Tomoyuki Nonomura, Masaya Yamamoto, Yoshihiro Mori, Masayuki Kozuka | 2007-11-27 |
| 7187850 | Optical disk, reproduction apparatus, reproduction method, and recording medium | Tomoyuki Nonomura, Masaya Yamamoto, Yoshihiro Mori, Masayuki Kozuka | 2007-03-06 |
| 7187851 | Optical disk, reproduction apparatus, reproduction method, and recording medium | Tomoyuki Nonomura, Masaya Yamamoto, Yoshihiro Mori, Masayuki Kozuka | 2007-03-06 |
| 7096504 | Distribution system, semiconductor memory card, receiving apparatus, computer-readable recording medium and receiving method | Kenji Tagawa, Teruto Hirota, Hideki Matsushima, Masayuki Kozuka, Mitsuhiro Inoue +4 more | 2006-08-22 |
| 6907188 | Optical disk, reproduction apparatus, reproduction method, and recording medium | Tomoyuki Nonomura, Masaya Yamamoto, Yoshihiro Mori, Masayuki Kozuka | 2005-06-14 |
| 6795383 | Optical disk and apparatus and method of recording and reproducing data thereof | Masaya Yamamoto, Tomoyuki Okada, Kazuhiro Tsuga | 2004-09-21 |
| 6574419 | Optical disk, reproduction apparatus reproduction method, and recording medium | Tomoyuki Nonomura, Masaya Yamamoto, Yoshihiro Mori, Masayuki Kozuka | 2003-06-03 |
| 6381398 | APPARATUS AND METHOD OF GENERATING BIT STREAM FOR INFORMATION RECORDING DISC STORAGE WHICH ENABLES SEAMLESS REPRODUCTION OF A PLURALITY OF PIECES OF IMAGE INFORMATION, AND RECORDING MEDIUM ON WHICH PROGRAM APPLIED TO THE GENERATING APPARATUS IS RECORDED | Kazuhiko Yamauchi, Tomoyuki Okada, Masayuki Kozuka, Kaoru Murase | 2002-04-30 |
| 6118445 | System stream reproduction control information editing apparatus and a recording medium on which the method used therein is recorded | Tomoyuki Nonomura, Mitsuhiro Inoue, Kenji Tagawa, Masayuki Kozuka | 2000-09-12 |
| 6046778 | Apparatus for generating sub-picture units for subtitles and storage medium storing sub-picture unit generation program | Tomoyuki Nonomura, Mitsuhiro Inoue, Masayuki Kozuka | 2000-04-04 |
| 6044157 | Microprocessor suitable for reproducing AV data while protecting the AV data from illegal copy and image information processing system using the microprocessor | Kazuhiko Yamauchi, Masayuki Kozuka, Nobuo Higaki, Koichi Horiuchi, Syusuke Haruna | 2000-03-28 |