Issued Patents All Time
Showing 1–25 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE49118 | Material for organic electroluminescence device and electroluminescence device employing the same | Yuki Nakano, Hidetsugu Ikeda, Toshihiro Iwakuma | 2022-06-28 |
| 10243145 | Organic electroluminescence device and organic light emitting medium | Masakazu Funahashi, Kenichi Fukuoka, Chishio Hosokawa | 2019-03-26 |
| 10038143 | Polymer compound, material for electronic elements, material for organic electroluminescent elements, and organic electroluminescent element | Hidetoshi Ono, Hironori Kawakami, Shigeru Matsuo, Kiyoshi Ikeda, Akinori Yomogita +1 more | 2018-07-31 |
| 9960358 | Organic electroluminescence device and organic light emitting medium | Masakazu Funahashi, Kenichi Fukuoka, Chishio Hosokawa | 2018-05-01 |
| 9847490 | Copolymer, material for organic electronic element, material for organic electroluminescent element, and organic electroluminescent element | Akinori Yomogita, Shigeru Matsuo, Hidetoshi Ono, Kiyoshi Ikeda, Hironori Kawakami +1 more | 2017-12-19 |
| 9728727 | Organic electroluminescence device and organic light emitting medium | Masakazu Funahashi, Kenichi Fukuoka, Chishio Hosokawa | 2017-08-08 |
| 9343682 | Organic electroluminescence device and organic light emitting medium | Masakazu Funahashi, Kenichi Fukuoka, Chishio Hosokawa | 2016-05-17 |
| 8902136 | Organic electroluminescence display device and method for driving the same | Chishio Hosokawa | 2014-12-02 |
| 8766534 | Organic electroluminescence element | Kenichi Fukuoka, Hiroshi Yamamoto, Chishio Hosokawa | 2014-07-01 |
| 8759590 | Indenopyrene compound, organic thin film solar cell material using the same, and organic thin film solar cell | Hidetsugu Ikeda, Ryoji Maeda | 2014-06-24 |
| 8654043 | Organic electroluminescence display device and method for driving the same | Chishio Hosokawa | 2014-02-18 |
| 8563145 | Material containing two or three dibenzofuran groups, dibenzothiophene groups, or a combination thereof, which is operable for organic electroluminescence elements, and organic electroluminescence elements using the material | Toshihiro Iwakuma, Yuki Nakano, Hidetsugu Ikeda | 2013-10-22 |
| 8471789 | Organic electroluminescence display device and method for driving the same | Chishio Hosokawa | 2013-06-25 |
| 8470455 | Organic electroluminescent device | Chishio Hosokawa, Toshihiro Iwakuma, Keiko Yamamichi | 2013-06-25 |
| 8377575 | Organic electroluminescence device | Toshihiro Iwakuma, Hideaki Nagashima, Hidetsugu Ikeda, Hiroaki Nakamura, Tadashi Kusumoto | 2013-02-19 |
| 8334648 | Organic electroluminescence device and organic light emitting medium | Masakazu Funahashi, Kenichi Fukuoka, Chishio Hosokawa | 2012-12-18 |
| 8324802 | Organic electroluminescence device and organic light emitting medium | Masakazu Funahashi, Kenichi Fukuoka, Chishio Hosokawa | 2012-12-04 |
| 8105701 | Organic electroluminescent device | Chishio Hosokawa, Toshihiro Iwakuma, Keiko Yamamichi | 2012-01-31 |
| 8097349 | Nitrogen containing heterocycle derivative and organic electroluminescent element using the same | Hiroshi Yamamoto, Mineyuki Kubota, Masahiro Kawamura | 2012-01-17 |
| 8039121 | Organic electroluminescence device | Toshihiro Iwakuma, Hideaki Nagashima, Hidetsugu Ikeda, Hiroaki Nakamura, Tadashi Kusumoto | 2011-10-18 |
| 7956828 | Organic electroluminescence display device and method for driving the same | Chishio Hosokawa | 2011-06-07 |
| 7927716 | Organic electroluminescence device and organic light emitting medium | Masakazu Funahashi, Kenichi Fukuoka, Chishio Hosokawa | 2011-04-19 |
| 7906226 | Organic electroluminescent device | Chishio Hosokawa, Toshihiro Iwakuma, Keiko Yamamichi | 2011-03-15 |
| 7888865 | Organic electroluminescent device and display having multiple emitting layers | Toshihiro Iwakuma, Hiroshi Yamamoto, Hisayuki Kawamura, Chishio Hosokawa | 2011-02-15 |
| 7867629 | Nitrogenous heterocyclic derivative and organic electroluminescent element employing the same | Hiroshi Yamamoto, Hidetsugu Ikeda, Mineyuki Kubota, Masahiro Kawamura | 2011-01-11 |