Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6421147 | Hologram screen and a method of producing the same | — | 2002-07-16 |
| 6392767 | Method for producing a hologram and a display device using the same | Tomoyuki Kanda | 2002-05-21 |