Issued Patents All Time
Showing 26–50 of 93 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8156347 | Semiconductor memory card, playback apparatus, recording apparatus, playback method, recording method, and computer-readable recording medium | Teruto Hirota, Kenji Tagawa, Hideki Matsushima, Tomokazu Ishikawa, Masayuki Kozuka | 2012-04-10 |
| 8122262 | Semiconductor device including encryption section, semiconductor device including external interface, and content reproduction method | Makoto Fujiwara, Yusuke Nemoto, Junichi Yasui, Takuji Maeda, Takayuki Ito +1 more | 2012-02-21 |
| 8090920 | Recording medium, and information processing device and information processing method for the recording medium | Hirokazu So, Makoto Ochi, Takuji Maeda, Masato Suto, Kazuya Fujimura +1 more | 2012-01-03 |
| 8069306 | Data area managing method in information recording medium and information processor employing data area managing method | Takuji Maeda, Masato Suto, Hirokazu So, Makoto Ochi | 2011-11-29 |
| 8019800 | Access device, information recording device, information recording system, file management method, and program | Takuji Maeda | 2011-09-13 |
| 7984231 | Information recording medium access device, and data recording method | Takuji Maeda | 2011-07-19 |
| 7957535 | Data storing method, data playback method, data recording device, data playback device, and recording medium | Makoto Ochi, Kazuya Fujimura | 2011-06-07 |
| 7948867 | Program reception/execution apparatus that can commence execution of a machine program having only received the program in part, and a program transmission apparatus that enables such execution | Masahiro Oashi, Yuki Kusumi, Tatsuya Shimoji, Ikuo Minakata, Masayuki Kozuka +7 more | 2011-05-24 |
| 7930478 | Semiconductor memory card, playback apparatus, recording apparatus, playback method, recording method and a computer-readable storage medium | Kenji Tagawa, Hideki Matsushima, Teruto Hirota, Tomokazu Ishikawa, Masayuki Kozuka | 2011-04-19 |
| 7930501 | Memory card, access device, and processing method of memory card | Takuji Maeda, Hirokazu So | 2011-04-19 |
| 7921229 | Host device, storage device, and method for accessing a storage device | Masayuki Toyama, Takuji Maeda, Tomoaki Izumi, Shouichi Tsujita, Masahiro Nakanishi | 2011-04-05 |
| 7900007 | Host device, storage device, and method for accessing storage device | Masayuki Toyama, Takuji Maeda, Tomoaki Izumi, Shouichi Tsujita, Masahiro Nakanishi | 2011-03-01 |
| 7849331 | Program update method and server | Makoto Fujiwara, Yusuke Nemoto, Junichi Yasui, Takuji Maeda, Takayuki Ito +1 more | 2010-12-07 |
| 7840729 | Recording medium access device and recording medium access method | Kazuya Fujimura, Yukiko Inoue, Takuji Maeda, Makoto Ochi, Masato Suto +1 more | 2010-11-23 |
| 7840749 | Data area managing method in information recording medium and information processor employing data area managing | Takuji Maeda, Masato Suto, Hirokazu So, Makoto Ochi | 2010-11-23 |
| 7831841 | Semiconductor device including encryption section, semiconductor device including external interface, and content reproduction method | Makoto Fujiwara, Yusuke Nemoto, Junichi Yasui, Takuji Maeda, Takayuki Ito +1 more | 2010-11-09 |
| 7823209 | Information recording medium, information recording medium accessing device, and area setting method | Takuji Maeda | 2010-10-26 |
| 7801930 | Recording medium, host device, and data processing method | Hirokazu So, Takuji Maeda | 2010-09-21 |
| 7730320 | Method for generating data for detection of tampering, and method and apparatus for detection of tampering | Tomoya Satou, Makoto Fujiwara, Kentarou Shiomi, Yusuke Nemoto, Yuishi Torisaki +3 more | 2010-06-01 |
| 7698571 | Digital work protection system, record/playback device, recording medium device, and model change device | Shunji Harada, Masaya Miyazaki, Shinichi Matsui, Natsume Matsuzaki, Naohiko Noguchi | 2010-04-13 |
| 7694155 | Digital work protection system, record/playback device, recording medium device, and model change device | Shunji Harada, Masaya Miyazaki, Shinichi Matsui, Natsume Matsuzaki, Naohiko Noguchi | 2010-04-06 |
| 7685435 | Program development method, program development supporting system, and program installation method | Makoto Fujiwara, Yusuke Nemoto, Junichi Yasui, Takuji Maeda, Takayuki Ito +1 more | 2010-03-23 |
| 7657562 | Data processing apparatus and data processing method | Makoto Ochi, Hirokazu So, Takuji Maeda | 2010-02-02 |
| 7654466 | Semiconductor memory card, semiconductor memory control apparatus, and semiconductor memory control method | Takuji Maeda, Yoshiho Gotoh, Jun Ohara, Masahiro Nakanishi, Shoichi Tsujita +6 more | 2010-02-02 |
| 7653796 | Information recording medium and region management method for a plurality of recording regions each managed by independent file system | Takuji Maeda | 2010-01-26 |