Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7245336 | Liquid crystal display device | Ikuo Hiyama, Makoto Tsumura, Masaya Adachi, Katsumi Kondo, Yuji Mori | 2007-07-17 |
| 7006173 | Liquid crystal display device having particular reflective polarizer | Ikuo Hiyama, Makoto Tsumura, Masaya Adachi, Katsumi Kondo, Yuji Mori | 2006-02-28 |
| 5841496 | Reflective liquid crystal display device | Osamu Itoh, Katsumi Kondo, Ikuo Hiyama, Tatsuhisa Fujii, Naoki Kikuchi | 1998-11-24 |
| 5313293 | Dot-matrix type display device | Katsumi Kondo, Shuichi Ohara, Masato Isogai, Satoru Ogihara, Naoki Kikuchi | 1994-05-17 |
| 5291322 | Supertwisted, nematic liquid crystal display device with LC birefringence at least 0.2 and LC retardation at least 1 micrometer | Osamu Itoh, Katsumi Kondo, Naoki Kikuchi | 1994-03-01 |
| 4906073 | Liquid crystal display device using nematic liquid crystal having twisted helical structure and a phase correction plate | Katuyuki Hunahata, Yuji Mori, Yoshiharu Nagae, Hideaki Kawakami, Kiyoshige Kinugawa +1 more | 1990-03-06 |