Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11088334 | Organic electroluminescent element | Masashi Tada, Katsuhide Noguchi | 2021-08-10 |
| 10622570 | Organic electroluminescent element | Tokiko Ueda, Junya Ogawa, Masashi Tada | 2020-04-14 |
| 10467996 | Cymbal damping tool and method of producing the same | Kiyoshi Yoshino | 2019-11-05 |
| 9312496 | Organic electroluminescent element | Masanori Hotta, Megumi Matsumoto | 2016-04-12 |
| 9118028 | Organic electroluminescent device | Masanori Hotta, Megumi Matsumoto | 2015-08-25 |
| 8859109 | Compound for organic electroluminescent device and organic electroluminescent device using the same | Takahiro Kai, Masaki Komori, Toshihiro Yamamoto | 2014-10-14 |
| 8766249 | Nitrogenated aromatic compound, organic semiconductor material, and organic electronic device | Masanori Hotta, Megumi Matsumoto | 2014-07-01 |
| 8766248 | Nitrogen-containing aromatic compound, organic semiconductor material, and organic electronic device | Masanori Hotta, Atsushi Kawada, Masana Jikumaru, Megumi Matsumoto | 2014-07-01 |
| 8012606 | Heterocyclic compound and organic electroluminescent device using the same | Takahiro Kai, Toshihiro Yamamoto, Masaki Komori, Masanori Hotta | 2011-09-06 |
| 7555321 | Communication portable terminal device | Taku Yamada, Kanta Judai | 2009-06-30 |
| 6855233 | Apparatus for production of strong alkali and acid electrolytic solution | — | 2005-02-15 |