Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6771420 | Optical device with barrier layer, optical system, and projector apparatus | Naoki Ozawa, Atsushi Enomoto, Kenji Yasuda, Yoshio Kojima, Satoru Moriya +1 more | 2004-08-03 |