Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7505020 | Display device driving circuit, display device, and driving method of the display device | Etsuo Yamamoto, Seijirou Gyouten, Sachio Tsujino | 2009-03-17 |
| 7209130 | Level shifter and display device using same | Sachio Tsujino | 2007-04-24 |