Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5331446 | Liquid crystal optical element and a laser projection apparatus using polymer dispersed liquid crystal | Yoshinori Hirai, Takehiko Nishiyama, Satoshi Niiyama, Tsuneo Wakabayashi | 1994-07-19 |
| 5318724 | Antistatic coating composition | Minoru Hasegawa, Akihiko Yamanaka, Masayo Hosoda | 1994-06-07 |
| 5235445 | Liquid crystal optical element with liquid crystal in polymer matrix with particular modulus of elasticity | Yoshinori Hirai, Satoshi Niiyama, Tomoki Gunjima | 1993-08-10 |
| 5162934 | Method of manufacturing liquid crystal display element | Tomoki Gunjima, Satoshi Niiyama | 1992-11-10 |
| 5103327 | Active matrix liquid crystal display element and a projection type active matrix liquid crystal display apparatus | Yoshinori Hirai, Tomoki Gunjima, Satoshi Niiyama | 1992-04-07 |
| 4834509 | Liquid crystal optical device and process for its production and method for its operation | Tomoki Gunjima, Shoichi Tsuchiya, Kaoriko Masuda | 1989-05-30 |
| 4818070 | Liquid crystal optical device using U.V.-cured polymer dispersions and process for its production | Tomoki Gunjima, Minoru Akatsuka, Shoichi Tsuchiya | 1989-04-04 |