Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7940458 | Laser light source device, hologram apparatus, and method for detecting laser light | — | 2011-05-10 |
| 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 | Tomiji Tanaka | 2011-02-15 |