Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6208396 | Normally white mode twisted nematic liquid crystal display device having improved viewing angle characteristics | Akiko Shimizu, Koji Higashi | 2001-03-27 |
| 6097460 | Phase retarder film containing TiO.sub.2 | Akiko Shimizu, Koji Higashi | 2000-08-01 |
| 5926313 | Phase retarder film | Akiko Shimizu, Koji Higashi | 1999-07-20 |