Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6958971 | Method of retrieving information with layer identification data from a multi-layered optical disk | Yoshihisa Fukushima, Yuji Takagi, Yasushi Azumatani, Hiroshi Hamasaka | 2005-10-25 |
| RE38706 | Recording defect substitution method of a disc-shaped recording medium, and a recording and reproducing apparatus for a disc-shaped recording medium | Yuji Takagi, Takahiro Nagai, Yoshihisa Fukushima, Shunji Ohara | 2005-02-22 |