Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8072863 | Optical recording method, optical recording apparatus and optical storage medium | Kenji Tokui, Ikuo Matsumoto, Shinji Higuchi | 2011-12-06 |
| 7864656 | Optical storage medium and method of producing optical storage medium | Ukou Sumoto | 2011-01-04 |