YS

Yasuhiko Shirota

UN Unknown: 4 patents #4,220 of 83,584Top 6%
BI Bando Chemical Industries: 3 patents #80 of 303Top 30%
DI Daicel Chemical Industries: 3 patents #213 of 893Top 25%
Pioneer Electronic: 2 patents #804 of 1,840Top 45%
Tdk: 1 patents #2,493 of 3,796Top 70%
Overall (All Time): #658,662 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
7629059 Organo-electronic functional material and use thereof Nobutaka Akashi 2009-12-08
7196224 1,3,5-tris(arylamino)benzenes Nobutaka Akashi, Hideki Norisada, Tomoko Hayashi 2007-03-27
7160634 Vinyl polymer and organic electroluminescent device Yutaka Ohsedo, Kazuyuki Moriwaki, Kenji Okumoto 2007-01-09
7038086 Vinyl polymer and organic electroluminescent device Yutaka Ohsedo, Kazuyuki Moriwaki, Kenji Okumoto 2006-05-02
6784318 Vinyl polymer and organic electroluminescent device Yutaka Ohsedo, Kazuyuki Moriwaki, Kenji Okumoto 2004-08-31
5508136 Trisarylaminobenzene derivatives, compounds for organic EL element, and organic EL element Kenji Nakaya, Tetsushi Inoue, Norihiro Okada, Kenryo Namba 1996-04-16
5374489 Organic electroluminescent device Kunio Imai, Takeo Wakimoto, Hiroshi Inada, Tomokazu Kobata 1994-12-20
5256945 Organic electroluminescence element Kunio Imai, Masanao Shinkai, Takeo Wakimoto 1993-10-26