Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5684550 | Liquid crystal display device having a diffuser integrally formed with a prism plate | Katsuhiko Shibata, Yoshio Toriyama, Naoto Kobayashi | 1997-11-04 |
| 5648858 | Liquid crystal display which suppresses interference fringes | Katsuhiko Shibata, Yoshio Toriyama, Naoto Kobayashi | 1997-07-15 |