Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6425667 | Projection lens unit and projector using the same | Shinji Haba | 2002-07-30 |
| 6404550 | Optical element suitable for projection display apparatus | — | 2002-06-11 |
| 6394607 | Polarized light separation device, method of fabricating the same and projection display apparatus using the polarized light separation device | Toshiaki Hashizume, Yoshitaka Itoh | 2002-05-28 |