Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9624193 | Cyclic azine derivatives, processes for producing these, and organic electroluminescent element containing these as component | Akitoshi Ogata, Yousuke Hisamatsu, Tsuyoshi Tanaka, Nobumichi Arai, Mayumi Abe +3 more | 2017-04-18 |
| 9252368 | Cyclic azine compound having nitrogen-containing condensed aromatic group, method for producing same, and organic electroluminescent device comprising same as constituent component | Yuji Oka, Keisuke Nomura, Tsuyoshi Tanaka, Naoki Uchida | 2016-02-02 |
| 9120773 | Cyclic azine derivatives, processes for producing these, and organic electroluminescent element containing these as component | Akitoshi Ogata, Yousuke Hisamatsu, Tsuyoshi Tanaka, Nobumichi Arai, Mayumi Abe +3 more | 2015-09-01 |
| 8735577 | 1,3,5-triazine derivative, process for producing same, and organic electroluminescent element comprising same as constituent component | Akitoshi Ogata, Tsuyoshi Tanaka | 2014-05-27 |
| 8674091 | 1,3,5-triazine derivative, process for producing same, and organic electroluminescent element comprising same as constituent | Yousuke Hisamatsu, Tsuyoshi Tanaka, Yuichi Miyashita, Nobumichi Arai, Naoki Uchida +1 more | 2014-03-18 |
| 8569485 | Phenyl-substituted 1,3,5-triazine compound, process for producing the same, and organic electroluminescent device containing the same as component | Tetsu Yamakawa, Naoko YANAI, Tsuyoshi Tanaka, Yoko Honma, Masaru Sato | 2013-10-29 |
| 8268997 | Phenyl-substituted 1,3,5-triazine compound, process for producing the same, and organic electroluminescent device containing the same as component | Tetsu Yamakawa, Naoko YANAI, Tsuyoshi Tanaka, Yoko Honma, Masaru Sato | 2012-09-18 |
| 7994316 | 1,3,5-triazine derivative, production method thereof and organic electroluminescence device comprising this as a composing component | Tetsu Yamakawa, Naoko YANAI, Tsuyoshi Tanaka, Masaru Sato | 2011-08-09 |
| 7863460 | Process for producing 1-substituted-3-fluoroalkylpyrazole-4-carboxylate | Wakako Yokota, Tetsu Yamakawa, Kenji Hirai | 2011-01-04 |