Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9673405 | Organic electroluminescent device, display apparatus, and lighting apparatus | Dai Ikemizu, Tomohiro Oshiyama, Masato Nishizeki, Tatsuo Tanaka | 2017-06-06 |
| 9666818 | Tandem-type organic photoelectric conversion element and solar battery | Yasushi Okubo, Hiroaki Itoh, Takamune Hattori | 2017-05-30 |
| 9379337 | Organic electroluminescent element material, organic electroluminescent element, display device, and lighting device | Tomohiro Oshiyama, Eisaku Katoh | 2016-06-28 |
| 9099659 | Organic electroluminescent element material, organic electroluminescent element, display device, and lighting device | Tomohiro Oshiyama, Eisaku Katoh | 2015-08-04 |
| 8951650 | Organic electroluminescent element including a condensed aromatic heterocyclic ring compound | Hiroshi Kita, Eisaku Katoh, Tatsuo Tanaka, Shinya Otsu, Rie Katakura +2 more | 2015-02-10 |
| 8790793 | Organic electroluminescent element with electron transport layer containing condensed aromatic heterocyclic compound, display device and lighting device | Hiroshi Kita, Eisaku Katoh, Tatsuo Tanaka, Shinya Otsu, Rie Katakura +2 more | 2014-07-29 |
| 8778507 | Organic electroluminescent device, display and illuminating device | Junko Tamura, Hiroshi Kita, Eisaku Katoh | 2014-07-15 |
| 8778509 | Organic electroluminescence element, display device and lighting device | Eisaku Katoh, Tomohiro Oshiyama | 2014-07-15 |
| 8475938 | Organic electroluminescent element, lighting device and display device | Rie Katakura, Hideo Taka | 2013-07-02 |
| 8133597 | Organic electroluminescent device, display and illuminating device | Eisaku Katoh, Tomohiro Oshiyama, Shinya Otsu | 2012-03-13 |