Issued Patents 2004
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6827457 | Light pipe, planar light source unit and reflective liquid-crystal display device | Toshihiko Ariyoshi | 2004-12-07 |
| 6825895 | Liquid-crystal display apparatus | Yuuki Nakano, Toshihiko Ariyoshi, Hideo Abe, Ryoji Kinoshita | 2004-11-30 |
| 6795246 | Optical film, polarizer and display device | Shuuji Yano | 2004-09-21 |
| 6795136 | Liquid-crystal display device | Toshihiko Ariyoshi | 2004-09-21 |
| 6778235 | Liquid crystal display apparatus having light pipe with reflective polarizer | Naoki Takahashi | 2004-08-17 |
| 6768529 | Reflection-transmission double type liquid-crystal display device | Toshihiko Ariyoshi, Hideo Abe | 2004-07-27 |
| 6751023 | Optical film | Toshihiko Ariyoshi | 2004-06-15 |
| 6747801 | Optical film and liquid-crystal display device | Toshihiko Ariyoshi, Takao Suzuki | 2004-06-08 |
| 6742921 | Light pipe, plate light source unit and reflection type liquid-crystal display device | Toshihiko Ariyoshi, Takao Suzuki, Shuuji Yano | 2004-06-01 |
| 6735373 | Plane light source unit and liquid-crystal display device | — | 2004-05-11 |
| 6729736 | Light pipe, planar light source unit and reflection type liquid-crystal display device | — | 2004-05-04 |
| 6717635 | Liquid crystal display device with a light guide having random v-shaped dots | Hitoshi Taniguchi, Yasuo Hira, Toshihiko Ariyoshi | 2004-04-06 |
| 6710840 | Cell substrate and liquid crystal display device in which a resin plate has a conductive layer via a transparent layer with a lower refractive index than the resin plate | Yoshimasa Sakata, Kiichi Shimodaira, Nobuyoshi Yagi | 2004-03-23 |
| 6704070 | Method for manufacturing a light guide plate | Hitoshi Taniguchi, Yasuo Hira, Toshihiko Ariyoshi | 2004-03-09 |
| 6700632 | Illuminator apparatus | Hitoshi Taniguchi, Yasuo Hira, Toshihiko Ariyoshi | 2004-03-02 |
| 6700637 | Resin liquid-crystal cell substrate, liquid-crystal cells and liquid-crystal display device | Shuuji Yano | 2004-03-02 |
| 6693690 | Reflective liquid-crystal display device | Yuuki Nakano, Ryoji Kinoshita, Hiroaki Kishioka, Waka Sakaitani | 2004-02-17 |