Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6509895 | Voltage generating circuit, and common electrode drive circuit, signal line drive circuit and gray-scale voltage generating circuit for display devices | Toshihiro Yanagi, Hisao Okada, Yuji Yamamoto, Takeshi Takarada | 2003-01-21 |
| 6310616 | Voltage generating circuit, and common electrode drive circuit signal line drive circuit and gray-scale voltage generating circuit for display device | Toshihiro Yanagi, Hisao Okada, Yuji Yamamoto, Takeshi Takarada | 2001-10-30 |
| 5929847 | Voltage generating circuit, and common electrode drive circuit, signal line drive circuit and gray-scale voltage generating circuit for display devices | Toshihiro Yanagi, Hisao Okada, Yuji Yamamoto, Takeshi Takarada | 1999-07-27 |
| 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 |
| 5537129 | Common electrode driving circuit for use in a display apparatus | Hisao Okada, Yuji Yamamoto, Takeshi Takarada | 1996-07-16 |
| 5402142 | Drive circuit for display apparatus | Hisao Okada, Yuji Yamamoto, Toshihiro Yanagi | 1995-03-28 |