Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5923392 | Liquid crystal display device | Yuji Sohda, Kazutoshi Sawada | 1999-07-13 |
| 5650833 | Liquid crystal display device having birefringent films with n.sub.x >n.sub. >n.sub.y | Yuji Sohda, Kazutoshi Sawada | 1997-07-22 |
| 5523867 | Liquid crystal display device having light shielding film and birefringent films with N.sub.x =N.sub.z >N.sub.y | Yuji Sohda, Kazutoshi Sawada | 1996-06-04 |
| 5406396 | Liquid crystal display device using uniaxial birefringent films for improving viewing angle | Yuji Sohda, Kazutoshi Sawada | 1995-04-11 |
| 5369513 | Liquid crystal display device with biaxial birefringent plates and light shielding film | Yuji Sohda, Kazutoshi Sawada | 1994-11-29 |
| 5194975 | Liquid crystal display device having biaxial birefringent plates at each side of the liquid crystal layer | Yuji Sohda, Kazutoshi Sawada | 1993-03-16 |
| 5136406 | Plural layer liquid crystal display device for a high density display | Kazunori Kato, Yukiio Endo, Masao Ohgawara, Kazutoshi Sawada | 1992-08-04 |
| 4818070 | Liquid crystal optical device using U.V.-cured polymer dispersions and process for its production | Tomoki Gunjima, Hiroshi Kumai, Shoichi Tsuchiya | 1989-04-04 |