Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6445654 | Recording/reproducing method and device with supplementary data storage and output | Hiroyuki Hayakawa, Tamotsu Ito, Keiji Nagayama, Susumu Yoshida, Akinobu Watanabe | 2002-09-03 |