Issued Patents 2004
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6829026 | Laminated phase retarder having a cholesteric liquid crystal layer, polarizing member and liquid crystal display device | Shinichi Sasaki, Takashi Yamaoka, Nao Murakami | 2004-12-07 |
| 6819382 | Method for producing substrate of liquid crystal cell and method for producing liquid crystal panel | Takashi Yamaoka, Nao Murakami, Tatsuki Nagatsuka | 2004-11-16 |
| 6798487 | Liquid crystal cell substrate including resin substrate, gas barrier layer, crosslinked resin layer and polarizing layer | Akira Ohtani, Takashi Yamaoka, Daisuke Uenda | 2004-09-28 |
| 6784954 | Laminated optical device and liquid-crystal display apparatus | Takashi Yamaoka, Yuuichi Nishikouji, Tomoaki Masuda | 2004-08-31 |
| 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 | Akira Ohtani, Takashi Yamaoka, Yuichi Nishikoji | 2004-08-03 |
| 6762811 | Laminated quarter-wave plate or circularly polarizing plate, liquid-crystal display device using the same and method for producing the same | Shinichi Sasaki, Takashi Yamaoka | 2004-07-13 |
| 6717642 | Wide viewing angle polarizer and liquid-crystal display device | Shinichi Sasaki, Takashi Yamaoka, Nao Murakami | 2004-04-06 |