Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11818950 | Organic electroluminescence element | Masashi Tada, Kazuaki Yoshimura, Atsushi Kawada, Yuta SAGARA, Junya Ogawa | 2023-11-14 |
| 11600786 | Organic electroluminescent element | Junya Ogawa, Takahiro Kai, Masanori Hotta, Yuji IKENAGA, Mitsuru Sakai +2 more | 2023-03-07 |
| 11374178 | Organic electroluminescent element | Yuta SAGARA, Masashi Tada, Kazuaki Yoshimura, Junya Ogawa | 2022-06-28 |
| 11088334 | Organic electroluminescent element | Masashi Tada, Yuichi Sawada | 2021-08-10 |
| 10361378 | Organic electroluminescent device | Masashi Tada, Takahiro Kai, Yasuhiro Takahashi, Yuhki Terao, Taishi Tsuji +2 more | 2019-07-23 |
| 10340460 | Organic electroluminescent element | Takayuki Fukumatsu, Masashi Tada, Mitsuru Sakai, Tohru Asari, Kazuto Shiraishi +6 more | 2019-07-02 |
| 8758904 | Organic electroluminescent device comprising a first electron-transporting layer and a second electron-transporting layer | Takayuki Fukumatsu, Toshihiro Yamamoto, Ikumi Ichihashi | 2014-06-24 |
| 8013330 | Compound for organic electroluminescent device and organic electroluminescent device | Masaki Komori, Toshihiro Yamamoto, Takahiro Kai, Hiroshi Miyazaki | 2011-09-06 |
| 8008657 | Compound for organic electroluminescent device and organic electroluminescent device | Takahiro Kai, Masaki Komori, Toshihiro Yamamoto, Hiroshi Miyazaki | 2011-08-30 |
| 7968874 | Organic electroluminescent device material and organic electroluminescent device | Hiroshi Miyazaki, Atsuhiko Katayama, Shinji Matsuo | 2011-06-28 |
| 7049389 | Process for preparing of aromatic oligomers | Toshihide Senzaki, Takahiro Imamura, Kazuyoshi Horibe, Tomoaki Yoshida, Atsuhiko Katayama +1 more | 2006-05-23 |
| 6664433 | Process for the purification of aromatic hydrocarbons and process for the preparation of high-purity aromatic hydrocarbons | Toshihide Senzaki, Takahiro Imamura, Takeshi Takayama | 2003-12-16 |