Issued Patents All Time
Showing 51–71 of 71 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7159244 | Audio data playback management system and method with editing apparatus and recording medium | Hideki Matsushima, Katsumi Tokuda, Shunji Harada, Shinji Inoue | 2007-01-02 |
| 7143261 | Semiconductor memory card access apparatus, a computer-readable recording medium, an initialization method, and a semiconductor memory card | Takuji Maeda | 2006-11-28 |
| 7096504 | Distribution system, semiconductor memory card, receiving apparatus, computer-readable recording medium and receiving method | Kenji Tagawa, Hideki Matsushima, Masayuki Kozuka, Mitsuhiro Inoue, Yasushi Uesaka +4 more | 2006-08-22 |
| 7062652 | Semiconductor memory card, data reading apparatus and data reading/reproducing apparatus | Makoto Tatebayashi, Taihei Yugawa, Masataka Minami, Masayuki Kozuka | 2006-06-13 |
| 7010372 | Semiconductor memory card, apparatus for recording data onto the semiconductor memory card, and apparatus for reproducing data of the semiconductor memory card | Kenji Tagawa, Hideki Matsushima, Tomokazu Ishikawa, Shinji Inoue, Masayuki Kozuka | 2006-03-07 |
| 6865431 | Semiconductor memory card, playback apparatus, recording apparatus, playback method, recording method, and computer-readable recording medium | Kenji Tagawa, Hideki Matsushima, Tomokazu Ishikawa, Shinji Inoue, Masayuki Kozuka | 2005-03-08 |
| 6850914 | Revocation information updating method, revocation informaton updating apparatus and storage medium | Shunji Harada, Makoto Tatebayashi, Masayuki Kozuka, Toru Kamibayashi, Masafumi Tamura | 2005-02-01 |
| 6832293 | Audio playback apparatus and method for resuming interrupted playback recording | Kenji Tagawa, Hideki Matsushima, Tomokazu Ishikawa, Shinji Inoue, Masayuki Kozuka | 2004-12-14 |
| 6829674 | Semiconductor memory card access apparatus, a computer-readable recording medium, an initialization method, and a semiconductor memory card | Takuji Maeda | 2004-12-07 |
| 6829675 | Semiconductor memory card access apparatus, a computer-readable recording medium, an initialization method, and a semiconductor memory card | Takuji Maeda | 2004-12-07 |
| 6829676 | Semiconductor memory card access apparatus, a computer-readable recording medium, an initialization method, and a semiconductor memory card | Takuji Maeda | 2004-12-07 |
| 6823422 | Semiconductor memory card access apparatus, a computer-readable recording medium, an initialization method, and a semiconductor memory card | Takuji Maeda | 2004-11-23 |
| 6789192 | Semiconductor memory card, data reading apparatus, and data reading/reproducing apparatus | Makoto Tatebayashi, Taihei Yugawa, Masataka Minami, Masayuki Kozuka | 2004-09-07 |
| 6779116 | Playback apparatus and playback method | Kenji Tagawa, Hideki Matsushima, Tomokazu Ishikawa, Shinji Inoue, Masayuki Kozuka | 2004-08-17 |
| 6647496 | Semiconductor memory card | Kenji Tagawa, Hideki Matsushima, Tomokazu Ishikawa, Shinji Inoue, Masayuki Kozuka | 2003-11-11 |
| 6636773 | Semiconductor memory card, apparatus for recording data onto the semiconductor memory card, and apparatus for reproducing data of the semiconductor memory card | Kenji Tagawa, Hideki Matsushima, Tomokazu Ishikawa, Shinji Inoue, Masayuki Kozuka | 2003-10-21 |
| 6611907 | Semiconductor memory card access apparatus, a computer-readable recording medium, an initialization method, and a semiconductor memory card | Takuji Maeda | 2003-08-26 |
| 6606707 | Semiconductor memory card | Makoto Tatebayashi, Taihei Yugawa, Masataka Minami, Masayuki Kozuka | 2003-08-12 |
| 6581160 | Revocation information updating method, revocation information updating apparatus and storage medium | Shunji Harada, Makoto Tatebayashi, Masayuki Kozuka, Toru Kamibayashi, Masafumi Tamura | 2003-06-17 |
| 6141729 | Data transfer system which divides data among transfer units having different transfer speed characteristics | Hideo Ishida, Toshiyuki Ochiai, Yutaka Tanaka, Akihiko Wada, Eiichi Toyonaga +1 more | 2000-10-31 |
| 5687347 | Data providing device, file server device, and data transfer control method | Takeshi Omura, Rieko Asai | 1997-11-11 |