Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8050165 | Optical information recording apparatus and optical information recording method | Yutaka Nagai, Junya Iizuka | 2011-11-01 |
| 8004941 | Optical disk apparatus and test writing method | Toru Kawashima, Mitsuru Harai, Tsuyoshi Toda | 2011-08-23 |
| 8004957 | Recording and reproducing method and recording and reproducing apparatus | Takakiyo Yasukawa, Koichi Watanabe | 2011-08-23 |
| 7869317 | Multi-layer optical disc, and recording method and apparatus for multi-layer optical disc | Yutaka Nagai | 2011-01-11 |