Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6448578 | Thin-film transistor and liquid crystal display device | Masao Kawaguchi, Hiroshi Ishibashi, Yukinobu Nakata, Keiichi Akamatsu | 2002-09-10 |
| 6414730 | Liquid crystal display device and method for manufacturing the same | Keiichi Akamatsu | 2002-07-02 |
| 6392623 | Method for driving active matrix substrate and liquid crystal display device using the same | — | 2002-05-21 |
| 6368756 | Photomask, method for producing TFT substrate, and method for producing display device | Shigeyuki Yamada, Taimi Oketani | 2002-04-09 |