Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5341231 | Liquid crystal display device with edge lit lightguide reflecting light to back reflector by total internal reflection | Yoshitaka Yamamoto | 1994-08-23 |
| 5321536 | Liquid crystal operation device and an image system using the same | Yoshitaka Yamamoto | 1994-06-14 |