TI

Toshihiro Iwakuma

IC Idemitsu Kosan Co.: 88 patents #5 of 1,237Top 1%
CO Comcast: 5 patents #802 of 4,447Top 20%
Overall (All Time): #18,340 of 4,157,543Top 1%
89
Patents All Time

Issued Patents All Time

Showing 76–89 of 89 patents

Patent #TitleCo-InventorsDate
7968213 Material for organic electroluminescence device and organic electroluminescence device utilizing the same Jun Endo, Masaki Numata, Kenichi Fukuoka 2011-06-28
7939183 Material for organic electroluminescent device and organic electroluminescent device using same Hisayuki Kawamura, Hidetsugu Ikeda, Chishio Hosokawa, Takashi Arakane, Hiroaki Nakamura 2011-05-10
7906226 Organic electroluminescent device Masahide Matsuura, Chishio Hosokawa, Keiko Yamamichi 2011-03-15
7888865 Organic electroluminescent device and display having multiple emitting layers Masahide Matsuura, Hiroshi Yamamoto, Hisayuki Kawamura, Chishio Hosokawa 2011-02-15
7846560 Material for organic electroluminescence device and electroluminescence device employing the same Yuki Nakano, Masahide Matsuura, Hidetsugu Ikeda 2010-12-07
7829204 Material for organic electroluminescent device and organic electroluminescent device using same Seiji Tomita, Mitsunori Ito 2010-11-09
7737625 Organic electroluminescent device with carrier blocking layer interposed between two emitting layers Takashi Arakane, Hitoshi Kuma, Hisayuki Kawamura, Chishio Hosokawa 2010-06-15
7667228 Metal complex compound and organic electroluminescent device using same Fumio Okuda, Keiko Yamamichi, Chishio Hosokawa 2010-02-23
7662487 Azaaromatic compounds having azafluoranthene skeletons and organic electroluminescent devices made by using the same 2010-02-16
7651791 Material for organic electroluminescence device and electroluminescence device employing the same Yuki Nakano, Masahide Matsuura, Hidetsugu Ikeda 2010-01-26
7608993 Blue organic electroluminescent device comprising dopants having ultraviolet and visible luminescent properties Masahide Matsuura 2009-10-27
7576486 Organic electroluminescence element having two electroluminescent layers through electron barrier layer Masahide Matsuura, Hiroshi Yamamoto, Hisayuki Kawamura, Chishio Hosokawa 2009-08-18
7250532 Method for producing aromatic amino compound Fumio Moriwaki 2007-07-31
7235312 Aromatic compounds and organic electroluminescent devices made by using the same Takashi Arakane, Tadashi Kusumoto 2007-06-26