Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE33120 | Method for driving liquid crystal element employing ferroelectric liquid crystal | Masato Isogai, Hideaki Kawakami, Fumio Nakano | 1989-11-28 |
| 4838655 | Projector using guest-host liquid crystal cells for improved color purity | Katuyuki Hunahata, Masahiro Takasaka, Yuji Mori, Minoru Hoshino, Yasuyuki Kozima +5 more | 1989-06-13 |
| 4810064 | Liquid crystal projection display having laser intensity varied according to beam change-of-axis speed | Noboru Azusawa, Tadahiko Hashimoto, Hisayoshi Shiraishi | 1989-03-07 |