Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10254649 | Method for producing optical waveguide | Osamu Mikami, Kentaro Ohmori | 2019-04-09 |
| 7303792 | Diaminobenzene derivative, polyimide precursor and polyimide obtained therefrom, and aligning agent for liquid crystal | Kazuyoshi Hosaka, Hirotsugu Taki | 2007-12-04 |
| 7169878 | Diamines, polyimide precursors and polyimides produced by using the diamines, and liquid crystal aligning agents | Kazuyoshi Hosaka | 2007-01-30 |
| 7105211 | Liquid crystal aligning agent, liquid crystal aligning films, and liquid crystal display devices | Tetsuya Imamura, Hideyuki Endo | 2006-09-12 |
| 6740371 | Diaminobenzene derivative, polyimide obtained therefrom, and liquid-crystal alignment film | Kazuyoshi Hosaka, Takayasu Nihira, Hideyuki Isogai, Hideyuki Endou, Hiroyoshi Fukuro | 2004-05-25 |
| 6294639 | Liquid crystal aligning agent | Kiyoshi Sawahata, Takayasu Nihira, Yoshikazu Ohtsuka, Yasuyuki Nakajima | 2001-09-25 |
| 6111059 | Diaminobenzene derivatives, polyimides prepared therefrom, and alignment film for liquid crystals | Takayasu Nihira, Hiroyoshi Fukuro | 2000-08-29 |