Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7969846 | Hologram recording and reproducing device and method for recording hologram | Hitoshi Okada, Takahiro Takeda | 2011-06-28 |
| 7889407 | Method for producing a duplicate hologram recording medium, apparatus for producing a duplication master, apparatus for producing a duplicate hologram recording medium, and duplication master | Kageyasu Sako | 2011-02-15 |