Issued Patents 2003
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |