Issued Patents 2003
Showing 1–1 of 1 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 | Shingo Nishikawa, Kenji Ueda, Toshikazu Segawa, Tsuyoshi Hotta, Masachika Watanabe | 2003-12-23 |