Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6642989 | Liquid crystal display device having particular constructed sapphire substrate | Motohiro Umehara, Kenichi Watanabe, Yoshio Ueda | 2003-11-04 |
| 6577375 | Liquid crystal display device having particular sapphire substrates | Motohiro Umehara, Kenichi Watanabe, Yoshio Ueda | 2003-06-10 |