Issued Patents All Time
| 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 |
| 7580433 | Laser system | Tomiji Tanaka, Ryo Kasegawa, Shinji Yamada, Katsuhiro Agatsuma | 2009-08-25 |
| 7426222 | Laser apparatus | Tomiji Tanaka, Ryo Kasegawa | 2008-09-16 |