Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5179457 | Liquid crystal display device with birefringent film between the substrates of the liquid crystal | Katsumi Kondo, Yasushi Tomioka, Shuji Imazeki, Yoshio Taniguchi | 1993-01-12 |