Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7343792 | Method and apparatus for inspecting operation condition of pump | — | 2008-03-18 |
| 5923392 | Liquid crystal display device | Minoru Akatsuka, Yuji Sohda | 1999-07-13 |
| 5650833 | Liquid crystal display device having birefringent films with n.sub.x >n.sub. >n.sub.y | Minoru Akatsuka, Yuji Sohda | 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 | Minoru Akatsuka, Yuji Sohda | 1996-06-04 |
| 5406396 | Liquid crystal display device using uniaxial birefringent films for improving viewing angle | Minoru Akatsuka, Yuji Sohda | 1995-04-11 |
| 5369513 | Liquid crystal display device with biaxial birefringent plates and light shielding film | Minoru Akatsuka, Yuji Sohda | 1994-11-29 |
| 5194975 | Liquid crystal display device having biaxial birefringent plates at each side of the liquid crystal layer | Minoru Akatsuka, Yuji Sohda | 1993-03-16 |
| 5136406 | Plural layer liquid crystal display device for a high density display | Kazunori Kato, Yukiio Endo, Minoru Akatsuka, Masao Ohgawara | 1992-08-04 |