Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6697036 | Liquid crystal control device to provide a uniform display or exposure on a display device | Keiki Yamada, Hiroshi Ito | 2004-02-24 |
| 6690348 | Transmissive color liquid crystal display | Tsuneo Sato, Masatoshi Takahashi, Keiki Yamada | 2004-02-10 |