Issued Patents All Time
Showing 1–25 of 89 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8260122 | MPEG picture data recording apparatus, MPEG picture data recording method, MPEG picture data recording medium, MPEG picture data generating apparatus, MPEG picture data reproducing apparatus, and MPEG picture data reproducing method | Takayuki Sugahara, Toshio Kuroiwa, Wataru Inoha, Kenjiro Ueda | 2012-09-04 |
| 8218947 | Video data recording apparatus and method, and video data reproducing apparatus and method | Masayoshi Nishitani, Toshio Kuroiwa | 2012-07-10 |
| 8131131 | Method and apparatus for transmitting information, and reproducing apparatus, receiving apparatus and recording medium for the information, and transmission data thereof | Kazuo Koda, Takayuki Sugahara | 2012-03-06 |
| 8131135 | MPEG picture data recording apparatus, MPEG picture data recording method, MPEG picture data recording medium, MPEG picture data generating apparatus, MPEG picture data reproducing apparatus, and MPEG picture data reproducing method | Takayuki Sugahara, Toshio Kuroiwa, Wataru Inoha, Kenjiro Ueda | 2012-03-06 |
| 8073307 | Method and apparatus for transmitting information, and reproducing apparatus, receiving apparatus and recording medium for the information, and transmission data thereof | Kazuo Koda, Takayuki Sugahara | 2011-12-06 |
| 8073310 | Method and apparatus for transmitting information, and reproducing apparatus, receiving apparatus and recording medium for the information, and transmission data thereof | Kazuo Koda, Takayuki Sugahara | 2011-12-06 |
| 8073309 | Method and apparatus for transmitting information, and reproducing apparatus, receiving apparatus and recording medium for the information, and transmission data thereof | Kazuo Koda, Takayuki Sugahara | 2011-12-06 |
| 8073308 | Method and apparatus for transmitting information, and reproducing apparatus, receiving apparatus and recording medium for the information, and transmission data thereof | Kazuo Koda, Takayuki Sugahara | 2011-12-06 |
| 8064749 | Method and apparatus for transmitting information, and reproducing apparatus, receiving apparatus and recording medium for the information, and transmission data thereof | Kazuo Koda, Takayuki Sugahara | 2011-11-22 |
| 7941030 | Audio/video recording apparatus, recording method, playback apparatus, playback method, playback program, and recording program | Norihiko Fuchigami | 2011-05-10 |
| 7747014 | Information transmission system, and information sending apparatus and information receiving apparatus used therein | — | 2010-06-29 |
| 7661001 | Information-signal encrypting apparatus and information-signal decrypting apparatus | — | 2010-02-09 |
| 7650062 | Information recording apparatus, information reproducing apparatus, and related computer programs | Takayuki Sugahara, Takashi Kuriyama, Terumi Ohara, Namio Yamaguchi | 2010-01-19 |
| 7650061 | Information recording apparatus, information reproducing apparatus, and related computer programs | Takayuki Sugahara | 2010-01-19 |
| 7580341 | Address-information recording method and apparatus, and optical recording medium | Masayoshi Nishitani | 2009-08-25 |
| 7471795 | Information transmission system | — | 2008-12-30 |
| 7317864 | Method and apparatus for transmitting information, and reproducing apparatus, receiving apparatus and recording medium for the information, and transmission data thereof | Kazuo Koda, Takayuki Sugahara | 2008-01-08 |
| 7292782 | MPEG picture data recording apparatus, MPEG picture data recording method, MPEG picture data recording medium, MPEG picture data generating apparatus, MPEG picture data reproducing apparatus, and MPEG picture data reproducing method | Takayuki Sugahara, Toshio Kuroiwa, Wataru Inoha, Kenjiro Ueda | 2007-11-06 |
| 7254234 | Method and apparatus for encrypting and decrypting information | Takayuki Sugahara, Wataru Inoha, Toshio Kuroiwa, Kenjiro Ueda | 2007-08-07 |
| 7239794 | Method and apparatus for transmitting information, and reproducing apparatus, receiving apparatus and recording medium for the information, and transmission data thereof | Kazuo Koda, Takayuki Sugahara | 2007-07-03 |
| 7239703 | Copyright protection system for data storage and transmission | Takayuki Sugahara | 2007-07-03 |
| 7237124 | Contents recorder/reproducer | Toshio Kuroiwa | 2007-06-26 |
| 7155011 | Encryption method, decryption method, and recording and reproducing apparatus | Kenjiro Ueda, Takayuki Sugahara, Wataru Inoha, Toshio Kuroiwa | 2006-12-26 |
| 7124434 | Information transmission system, and information sending apparatus and information receiving apparatus used therein | — | 2006-10-17 |
| 7024561 | Contents recording apparatus, recording medium, contents reproducing apparatus, contents transmission method, transmission medium, and contents reception method | Wataru Inoha, Takayuki Sugahara, Kenjiro Ueda, Toshio Kuroiwa | 2006-04-04 |