Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5680148 | Driving circuit for a display apparatus capable of display of an image with gray scales | Hisao Okada, Toshihiro Yanagi | 1997-10-21 |
| 5621426 | Display apparatus and driving circuit for driving the same | Hisao Okada, Toshihiro Yanagi | 1997-04-15 |