Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6667819 | Reflection type diffuse hologram, hologram for reflection hologram color filters, etc., and reflection type display device using such holograms | Kenji Ueda, Toshikazu Segawa, Tsuyoshi Hotta, Yuko Kuwabara, Masachika Watanabe | 2003-12-23 |
| 6506468 | Multilayered volume hologram structure, and label for making multilayered volume hologram structure | Akio Morii, Satoru Hamada, Hiroyuki Ohtaki, Kenji Ueda | 2003-01-14 |