Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8081358 | Laser marking hologram having a volume hologram with interference fringes using selective irradiation | Kenji Ueda, Hiroyuki Ohtaki | 2011-12-20 |
| 7995256 | Transparent card with hologram, and apparatus for recognizing transparent card with hologram | Mitsuru Kitamura | 2011-08-09 |
| 7909364 | Indicator for indicating authenticity | Masanori Umeya, Minoru Azakami, Tsuyoshi Yamauchi, Koji Eto | 2011-03-22 |