KO

Kenji Okumoto

PA Panasonic: 28 patents #581 of 21,108Top 3%
JO Joled: 4 patents #118 of 392Top 35%
DI Daicel Chemical Industries: 3 patents #213 of 893Top 25%
UN Unknown: 2 patents #12,644 of 83,584Top 20%
Samsung: 2 patents #37,631 of 75,807Top 50%
SC Sanyo Electric Co.: 1 patents #3,644 of 6,347Top 60%
DY Dyden: 1 patents #13 of 38Top 35%
CL Cambridge Display Technology Limited: 1 patents #123 of 201Top 65%
Overall (All Time): #85,020 of 4,157,543Top 3%
38
Patents All Time

Issued Patents All Time

Showing 26–38 of 38 patents

Patent #TitleCo-InventorsDate
8324617 Organic electroluminescence element and manufacturing method thereof Hidehiro Yoshida 2012-12-04
8304986 Organic EL display panel having specific inclination angle of wall surface Hidehiro Yoshida 2012-11-06
8289242 Organic electroluminescence display device and manufacturing method thereof 2012-10-16
8278804 Multicolor light-emitting organic EL display device and method of manufacturing multicolor light-emitting organic EL display device Masafumi Matsui, Kouhei Koresawa, Takashi Ohta 2012-10-02
8242516 Organic EL display panel and method of manufacturing the same Hidehiro Yoshida, Keisei Yamamuro 2012-08-14
8203158 Organic EL display panel Hidehiro Yoshida 2012-06-19
8178870 Organic electroluminescence element 2012-05-15
8153275 Organic electroluminescent element and display device or light emitting device equipped with the same Yuji Hamada, Haruhisa Hashimoto, Masahiro Iyori, Kazuki Nishimura, Masaya Nakai 2012-04-10
8094096 Organic electroluminescence display device and manufacturing method thereof 2012-01-10
7812345 Organic EL display panel Hidehiro Yoshida, Keisei Yamamuro 2010-10-12
7160634 Vinyl polymer and organic electroluminescent device Yasuhiko Shirota, Yutaka Ohsedo, Kazuyuki Moriwaki 2007-01-09
7038086 Vinyl polymer and organic electroluminescent device Yasuhiko Shirota, Yutaka Ohsedo, Kazuyuki Moriwaki 2006-05-02
6784318 Vinyl polymer and organic electroluminescent device Yasuhiko Shirota, Yutaka Ohsedo, Kazuyuki Moriwaki 2004-08-31