Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6771340 | COMPOSITE RETARDER PLATE HAVING RETARDER FILM WITH AT LEAST ONE REFRACTIVE INDEX DIFFERENT FROM THE OTHER INDICES AND A LIQUID CRYSTAL POLYMER PHASE SHEET HAVING A TRANSPARENT LAYER WITH ALL REFRACTIVE INDICES DIFFERENT FROM ONE ANOTHER | Hiroyuki Yoshimi, Akira Ohtani, Takashi Yamaoka | 2004-08-03 |