Issued Patents All Time
Showing 26–50 of 70 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8127368 | Semiconductor memory card and data reading apparatus, and data reading/reproducing apparatus | Teruto Hirota, Makoto Tatebayashi, Taihei Yugawa, Masayuki Kozuka | 2012-02-28 |
| 8126311 | Recording medium, recording apparatus and reproduction apparatus | Kenji Tagawa, Masayuki Kozuka | 2012-02-28 |
| 7996914 | Semiconductor memory card and data reading apparatus, and data reading/reproducing apparatus | Teruto Hirota, Makoto Tatebayashi, Taihei Yugawa, Masayuki Kozuka | 2011-08-09 |
| 7891013 | Contents distribution system | Motoji Ohmori, Masaya Yamamoto | 2011-02-15 |
| 7812456 | Semiconductor device and a method of manufacturing the same | Yuki Koide | 2010-10-12 |
| 7805617 | Digital data recording apparatus, digital data recording method, and computer-readable recording medium | Kenji Tagawa, Masayuki Kozuka | 2010-09-28 |
| 7781846 | Semiconductor integrated circuit device | Kenichi Osada, Shuji Ikeda, Koichiro Ishibashi | 2010-08-24 |
| 7615453 | Method of manufacturing a semiconductor integrated circuit device | — | 2009-11-10 |
| 7612417 | Semiconductor integrated circuit device | Kenichi Osada, Shuji Ikeda, Koichiro Ishibashi | 2009-11-03 |
| 7519685 | Contents linkage information delivery system | Masao Nonaka, Masato Yamamichi, Motoji Ohmori, Masaya Yamamoto, Wataru Ikeda +2 more | 2009-04-14 |
| 7400819 | Recording medium, recording apparatus and reproduction apparatus | Kenji Tagawa, Masayuki Kozuka | 2008-07-15 |
| 7380139 | Digital data recording apparatus, digital data recording method, and computer-readable recording medium | Kenji Tagawa, Masayuki Kozuka | 2008-05-27 |
| 7353543 | Contents distribution system | Motoji Ohmori, Masaya Yamamoto | 2008-04-01 |
| 7315829 | Data conversion apparatus and method in copyright protecting system | Kenji Tagawa, Masayuki Kozuka, Tetsuo Maeda | 2008-01-01 |
| 7112999 | Semiconductor integrated circuit device | Hiroyuki Mizuno, Koichiro Ishibashi, Masayuki Miyazaki | 2006-09-26 |
| 7062652 | Semiconductor memory card, data reading apparatus and data reading/reproducing apparatus | Teruto Hirota, Makoto Tatebayashi, Taihei Yugawa, Masayuki Kozuka | 2006-06-13 |
| 7020636 | Storage-medium rental system | Motoji Ohmori, Masaya Yamamoto | 2006-03-28 |
| 6993133 | Data recording and reproduction apparatus | Tomoyuki Nonomura, Mitsuhiro Inoue, Masayuki Kozuka | 2006-01-31 |
| 6906551 | Semiconductor integrated circuit device | Hiroyuki Mizuno, Koichiro Ishibashi, Masayuki Miyazaki | 2005-06-14 |
| 6862582 | Production protection system dealing with contents that are digital production | Shunji Harada, Masayuki Kozuka, Makoto Tatebayashi | 2005-03-01 |
| 6834348 | Digital data recording apparatus, digital data recording method, and computer-readable recording medium | Kenji Tagawa, Masayuki Kozuka | 2004-12-21 |
| 6789192 | Semiconductor memory card, data reading apparatus, and data reading/reproducing apparatus | Teruto Hirota, Makoto Tatebayashi, Taihei Yugawa, Masayuki Kozuka | 2004-09-07 |
| 6738319 | Recording medium, recording apparatus and reproduction apparatus | Kenji Tagawa, Masayuki Kozuka | 2004-05-18 |
| 6732106 | Digital data distribution system | Ryuichi Okamoto, Masayuki Kozuka, Mitsuhiro Inoue | 2004-05-04 |
| 6687683 | Production protection system dealing with contents that are digital production | Shunji Harada, Masayuki Kozuka, Makoto Tatebayashi | 2004-02-03 |