Issued Patents 1994
Showing 1–2 of 2 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 |