Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6789192 | Semiconductor memory card, data reading apparatus, and data reading/reproducing apparatus | Teruto Hirota, Taihei Yugawa, Masataka Minami, Masayuki Kozuka | 2004-09-07 |
| 6687683 | Production protection system dealing with contents that are digital production | Shunji Harada, Masayuki Kozuka, Masataka Minami | 2004-02-03 |