Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10199589 | Photoelectric conversion element and image sensor using same | Masaaki Umehara, Jinwoo Kwon | 2019-02-05 |
| 9935273 | Fluoranthene derivative, light-emitting device material containing same, and light-emitting device | Yasunori Ichihashi, Daisaku Tanaka, Takeshi Ikeda, Takeshi Arai, Atsushi Ikeda | 2018-04-03 |
| 9842884 | Photoelectric conversion element and image sensor | Masaaki Umehara, Jinwoo Kwon | 2017-12-12 |
| 9627625 | Light-emitting device material and light-emitting device | Kazumasa Nagao, Shinichi Matsuki, Hirotoshi Sakaino, Takeshi Arai | 2017-04-18 |
| 9537107 | Light emitting device material and light emitting device | Kazumasa Nagao, Shinichi Matsuki, Daisaku Tanaka | 2017-01-03 |
| 9391288 | Light emitting device material and light emitting device | Kazumasa Nagao, Jinwoo Kwon | 2016-07-12 |
| 8962155 | Light emitting device based on a pyrromethene compound | Kazumasa Nagao | 2015-02-24 |
| 8916275 | Light emitting device material and light emitting device | Yohei Nakano, Kazunori Sugimoto, Kazumasa Nagao, Daisaku Tanaka | 2014-12-23 |
| 8502201 | Light-emitting element | Kazumasa Nagao, Takeshi Arai, Takeshi Ikeda, Daisaku Tanaka, Yasunori Ichihashi +1 more | 2013-08-06 |
| 8183560 | Light-emitting device | Takeshi Ikeda, Kazunori Sugimoto, Kazumasa Nagao | 2012-05-22 |
| 8156890 | Device for preventing winding-up of sheet metal in continuous hot-dipping bath | Tatsuya Kuwana, Hirohisa Kawamura, Hiroyuki Tanaka | 2012-04-17 |
| 8139557 | Wireless base station apparatus and system to avoid preamble interference | Kunio Satou, Yasuhiro Ohnaka, Takeshi Fukunaga | 2012-03-20 |
| 8120022 | Light emitting device material and light emitting device | Kazunori Sugimoto | 2012-02-21 |
| 8114529 | Material for lighting emitting device and light emitting device | Daisuke Kitazawa, Mariko Sano, Takeshi Ishigaki, Kazunori Sugimoto | 2012-02-14 |
| 8084146 | Light-emitting device material and light-emitting device | Seiichiro Murase, Daisuke Kitazawa, Kazumasa Nagao, Kazunori Sugimoto | 2011-12-27 |
| 7989802 | Light emitting device material and light emitting device | Kazumasa Nagao | 2011-08-02 |
| 7901794 | Material for light-emitting element and light emitting element | Kazunori Sugimoto, Seiichiro Murase, Daisuke Kitazawa, Kazumasa Nagao, Takafumi Ogawa | 2011-03-08 |
| 7318966 | Luminescent element material and luminescent element comprising the same | Daisuke Kitazawa, Aki Makiyama, Akira Kohama | 2008-01-15 |
| 6921589 | Electroluminescent elements | Akira Kohama, Daisuke Kitazawa, Yoshio Himeshima | 2005-07-26 |
| 6805978 | Pyrromethene metal complex and light emitting device composition and light emitting devices using the same | Seiichiro Murase, Akira Kohama | 2004-10-19 |