Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6433853 | Cholesteric liquid crystal layer, optical element, lighting device, and liquid crystal display | Tadayuki Kameyama, Naoki Takahashi | 2002-08-13 |
| 6342934 | Polarizer lighting device and liquid crystal display | Tadayuki Kameyama, Naoki Takahashi | 2002-01-29 |
| 6339501 | Polarizing member, optical member and liquid-crystal display device | Tadayuki Kameyama | 2002-01-15 |