Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8661553 | Semiconductor memory card and data reading apparatus, and data reading/reproducing apparatus | Teruto Hirota, Makoto Tatebayashi, Masataka Minami, Masayuki Kozuka | 2014-02-25 |
| 8127368 | Semiconductor memory card and data reading apparatus, and data reading/reproducing apparatus | Teruto Hirota, Makoto Tatebayashi, Masataka Minami, Masayuki Kozuka | 2012-02-28 |
| 7996914 | Semiconductor memory card and data reading apparatus, and data reading/reproducing apparatus | Teruto Hirota, Makoto Tatebayashi, Masataka Minami, Masayuki Kozuka | 2011-08-09 |
| RE42019 | 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 | 2010-12-28 |
| 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 |
| 7640436 | Encryption device and method | Osamu Shibata, Tsutomu Sekibe, Yoshiyuki Saito, Toshihiko Otake | 2009-12-29 |
| 7529938 | Method, apparatus and system for performing authentication according to challenge-response protocol using scrambled access information | Osamu Shibata, Tsutomu Sekibe, Teruto Hirota, Yoshiyuki Saito, Toshihiko Otake | 2009-05-05 |
| 7272856 | Decryption device | Osamu Shibata, Tsutomu Sekibe, Yoshiyuki Saito, Toshihiko Otake | 2007-09-18 |
| 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 |
| 7062652 | Semiconductor memory card, data reading apparatus and data reading/reproducing apparatus | Teruto Hirota, Makoto Tatebayashi, Masataka Minami, Masayuki Kozuka | 2006-06-13 |
| 6789192 | Semiconductor memory card, data reading apparatus, and data reading/reproducing apparatus | Teruto Hirota, Makoto Tatebayashi, Masataka Minami, Masayuki Kozuka | 2004-09-07 |
| 6606707 | Semiconductor memory card | Teruto Hirota, Makoto Tatebayashi, Masataka Minami, Masayuki Kozuka | 2003-08-12 |
| 5978879 | Bus bridge apparatus | Hideaki Harumoto, Toshiyuki Ochiai | 1999-11-02 |
| 5875297 | Multimedia server | Kunihiko Sakoda | 1999-02-23 |