Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6804188 | Data recording medium, data recording apparatus and method, and data reproducing apparatus and method | Yukio Shishido, Yoichiro Sako, Tatsuya Inokuchi, Katsumi Toyama, Shigeki Tsukatani | 2004-10-12 |