Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4989955 | Liquid crystal electro-optical element and process for preparation thereof | Takamasa Harada, Koichiro Oka, Hiroyuki Ikeuchi | 1991-02-05 |
| 4939003 | Liquid crystal element | Takao Aoki, Takamasa Harada, Koji Iwasa, Norio Kawabe, Hiroyuki Ikeuchi | 1990-07-03 |
| 4793693 | Ferro-electric liquid crystal electro-optical device having a drive voltage with DC and chopping components | Sadashi Shimoda, Takamasa Harada, Masaaki Taguchi | 1988-12-27 |
| 4762400 | Ferroelectric liquid crystal electro-optical device having half-select voltage to maximize contrast | Sadashi Shimoda, Takamasa Harada, Masaaki Taguchi | 1988-08-09 |
| 4662721 | Ferro-electric liquid crystal electro-optical device | Takamasa Harada, Masaaki Taguchi | 1987-05-05 |