Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6473144 | Liquid crystal display apparatus and liquid crystal projection display apparatus which employ hologram color filter | Tsuyoshi Hotta | 2002-10-29 |
| 6426812 | Hologram color filter, and its fabrication method | Tsuyoshi Hotta, Kenji Ueda | 2002-07-30 |
| 6366369 | Transmission hologram fabrication process | Masachika Watanabe | 2002-04-02 |