Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6870804 | Optical disk, optical disk recording method and optical disk apparatus | Yutaka Okamoto, Hideo Ando, Chosaku Noda | 2005-03-22 |
| 6847600 | Method for estimating the quality of an information recording medium utilizing equalization signals | Yutaka Okamoto, Chosaku Noda, Hideo Ando, Koichi Hirayama | 2005-01-25 |