Issued Patents All Time
Showing 51–57 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6417904 | Optically compensatory film, optically compensatory polarizing plate and liquid-crystal display device | Takashi Yamaoka | 2002-07-09 |
| 6404469 | Wide viewing angle polarizing plate and liquid crystal display | Atsushi Kitagawa, Yuuji Saiki, Masayuki Satake | 2002-06-11 |
| 6330108 | Composite retarder plate, optically compensatory polarizing plate and liquid-crystal display device | Yuuichi Nishikouji | 2001-12-11 |
| 6236439 | Wide viewing angle polarizing plate and liquid crystal display | Yuji Saiki, Minoru Miyatake, Takafumi Sakuramoto | 2001-05-22 |
| 6025958 | Laminated wavelength plate, circular polarizing plate and liquid crystal display | Takashi Yamaoka, Yasuo Fujimura | 2000-02-15 |
| 5727107 | Light guide plate, surface light source device, polarized light source device and liquid crystal display | Seiji Umemoto, Kazutaka Hara, Tatsuya Osuka, Tadayuki Kameyama | 1998-03-10 |
| 5245456 | Birefringent film with n.sub.x >n.sub.z >n.sub.y, process for producing the same, retardation film, elliptically polarizing plate, and liquid crystal display | Tatsuki Nagatsuka, Yasuo Fujimura, Tatsuya Osuka | 1993-09-14 |