HK

Hitoshi Kuma

IC Idemitsu Kosan Co.: 42 patents #22 of 1,237Top 2%
KU Keio University: 1 patents #190 of 781Top 25%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #70,075 of 4,157,543Top 2%
43
Patents All Time

Issued Patents All Time

Showing 26–43 of 43 patents

Patent #TitleCo-InventorsDate
8106582 Organic electroluminescence display device Keiko Yamamichi, Kenichi Fukuoka, Kimihiro Yuasa, Chishio Hosokawa 2012-01-31
8076839 Organic electroluminescence device Hiroshi Yamamoto, Chishio Hosokawa 2011-12-13
8035297 Organic electroluminescent device with carrier blocking layer interposed between two emitting layers Takashi Arakane, Hisayuki Kawamura, Toshihiro Iwakuma, Chishio Hosokawa 2011-10-11
7956529 Organic electroluminescent color light-emitting apparatus with organic electroluminescent devices with adjusted optical distances between electrodes Chishio Hosokawa 2011-06-07
7928647 Composite emitting device Akiyoshi Mikami 2011-04-19
7923917 Color conversion layer and light-emitting device Mitsuru Eida 2011-04-12
7883641 Metal oxide phosphor microparticle and process for producing the same; utilizing the same, dispersion liquid, fluorescence conversion membrane, method of separating metal oxide phosphor microparticle, fluorescent liquid, fluorescent paste, phosphor and process for producing the same; and fluorescence converter Tetsuhiko Isobe, Ryo Kasuya, Aya Kawano, Junichi Katano 2011-02-08
7843134 Organic EL emission devices connected in series Chishio Hosokawa 2010-11-30
7777413 Organic electroluminescent device having an optical resonator Kenichi Fukuoka, Chishio Hosokawa 2010-08-17
7768195 Organic electroluminescent device with improved luminous efficiency Yukitoshi Jinde 2010-08-03
7737625 Organic electroluminescent device with carrier blocking layer interposed between two emitting layers Takashi Arakane, Hisayuki Kawamura, Toshihiro Iwakuma, Chishio Hosokawa 2010-06-15
7583021 Composite emitting device Akiyoshi Mikami 2009-09-01
7550914 Organic electroluminescence display device Mitsuru Eida 2009-06-23
7501189 White organic electroluminescent device Hiroshi Tokailin, Mineyuki Kubota, Masakazu Funahashi 2009-03-10
7358661 Organic electroluminescent device and display 2008-04-15
7233104 Color emission device Mitsuru Eida, Chishio Hosokawa, Kenichi Fukuoka 2007-06-19
7221090 Blue organic electroluminescent device and display using same Satoshi Hachiya, Chishio Hosokawa, Kenichi Fukuoka 2007-05-22
6844670 Color luminous device Mitsuru Eida, Chishio Hosokawa 2005-01-18