Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5327272 | Optical modulation element | Ryoji Fujiwara, Akio Maruyama, Tomoko Maruyama, Tomoko Murakami | 1994-07-05 |
| 5321538 | Method for gradation display using a liquid crystal optical element with minute insulation portions on the electrodes | Tomoko Maruyama, Ryoji Fujiwara, Tomoko Murakami | 1994-06-14 |
| 5285298 | Color display apparatus | Kazuo Yoshinaga, Kazuo Isaka, Takashi Kai, Yomishi Toshida | 1994-02-08 |