Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7521861 | Electroluminescence element | Hiroyasu Kawauchi, Masayuki Harada, Norihito Takeuchi | 2009-04-21 |
| 7235921 | Organic electroluminescent element with particular electrode terminal structure | Kentaro Yamashita, Masayuki Harada, Hironori Ito, Yoshifumi Kato | 2007-06-26 |
| 7196466 | Organic Electroluminescence device suppressing brightness unevenness | Kentaro Yamashita, Yoshifumi Kato, Mitsuharu Muta | 2007-03-27 |
| 7193362 | Planar luminescent device having auxiliary electrode and diffusion mechanism | Yoshifumi Kato, Mitsuhara Muta | 2007-03-20 |