Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6397366 | Data transmission system, data recording and reproducing apparatus and recording medium each having data structure of error correcting code | Shin-ichi Tanaka, Masatoshi Shimbo, Shinya Yamada, Tadashi Kojima | 2002-05-28 |
| 6347145 | Method and apparatus of enciphering and deciphering data using keys enciphered and deciphered with other keys | Takehisa Kato, Naoki Endoh, Hiroaki Unno, Tadashi Kojima | 2002-02-12 |