Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12049583 | Compound, composition for anisotropic dye films including the compound, anisotropic dye film, and optical element | Kei Takeshita, Yasushi Shiga, Seiji Akiyama, Terutsune Osawa, Junichi Oizumi +2 more | 2024-07-30 |
| 9328289 | Liquid crystal element and liquid crystal composition | Noriyuki Kida | 2016-05-03 |
| 8999050 | Ink containing anthraquinone based dye, dye used in the ink, and display | Mio Ishida, Yasushi Shiga, Utako Takeda | 2015-04-07 |
| 7960521 | Azo dyes, compositions for anisotropic dye films using them, anisotropic dye films and polarizing elements | Hideo Sano, Ryuichi Hasegawa, Wataru Shimizu | 2011-06-14 |
| 7527862 | Dyes for anisotropic dye films, dye compositions for anisotropic dye films, anisotropic dye films and polarizing elements | Tomio Yoneyama, Ryuichi Hasegawa, Hideo Sano, Junichi Oizumi, Masaaki Nishimura | 2009-05-05 |
| 6033598 | Liquid-crystal composition and liquid-crystal display element | Masaharu Kaneko, Hideki Sato | 2000-03-07 |
| 5866033 | Liquid crystal composition and liquid crystal display device | Masaharu Kaneko, Hideki Sato | 1999-02-02 |
| 5789556 | Dichroic dye, and liquid-crystal composition and liquid-crystal display element containing the dye | Masaharu Kaneko, Tomio Yoneyama | 1998-08-04 |
| 5755995 | Guest host liquid crystal composition | Takaaki Shimizu, Tatsushi Kaneko, Masaharu Kaneko | 1998-05-26 |
| 5453217 | Liquid crystal composition and liquid crystal display device | Masaharu Keneko | 1995-09-26 |