Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5327272 | Optical modulation element | Shuzo Kaneko, 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, Shuzo Kaneko, Tomoko Murakami | 1994-06-14 |