Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6728195 | Multi-layered optical disk with shifted track and layer identification and method of detecting a track | Isao Satoh, Yoshihisa Fukushima, Yuji Takagi, Hiroshi Hamasaka | 2004-04-27 |