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 | Tomiji Tanaka, Takahiro Takeda | 2011-06-28 |
| 7963138 | Method and apparatus for forming a changed diameter portion of a workpiece | Tohru Irie | 2011-06-21 |