Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6958971 | Method of retrieving information with layer identification data from a multi-layered optical disk | Isao Satoh, Yoshihisa Fukushima, Yuji Takagi, Yasushi Azumatani | 2005-10-25 |