Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6384883 | Liquid crystal display device using a hologram, hologram scatter plate, and process of replicating a diffuse reflection type hologram | Kenji Ueda, Akio Morii | 2002-05-07 |
| 6340540 | Hologram recording sheet holographic optical element using said sheet and its production process | Kenji Ueda, Tsuyoshi Hotta, Yukio Taniguchi, Atsushi Sekiguchi | 2002-01-22 |