Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9497805 | Organic EL element driving device and organic EL lighting apparatus | Tsukasa Yagi, Kouichi Ishida, Kouji Miyawaki | 2016-11-15 |
| 8710748 | Illumination apparatus | Tsukasa Yagi, Kouichi Ishida | 2014-04-29 |
| 7785942 | Active matrix organic EL display device and manufacturing method thereof | Hironori Imura | 2010-08-31 |
| 7417251 | Active matrix organic EL display device and manufacturing method thereof | Hironori Imura | 2008-08-26 |
| 6518709 | Color organic EL display and method for driving the same | Eiichi Kitazume | 2003-02-11 |
| 6369516 | Driving device and driving method of organic thin film EL display | Yoshikazu Sakaguchi | 2002-04-09 |
| 6303255 | Organic EL panel and method of manufacturing the same | Yoshikazu Sakaguchi | 2001-10-16 |
| 6201520 | Driving organic thin-film EL display by first zero biasing by short circuiting all pixels and then forward biasing selected pixels and reverse biasing nonselected pixels to prevent crosstalk | Yuji Kondo | 2001-03-13 |
| 6078138 | Organic thin film electroluminescence display unit | — | 2000-06-20 |