KF

Kenichi Fukuoka

IC Idemitsu Kosan Co.: 64 patents #13 of 1,237Top 2%
OP Optrex: 1 patents #21 of 56Top 40%
TK Toyoda Koki Kabushiki Kaisha: 1 patents #307 of 674Top 50%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #32,963 of 4,157,543Top 1%
66
Patents All Time

Issued Patents All Time

Showing 26–50 of 66 patents

Patent #TitleCo-InventorsDate
8324802 Organic electroluminescence device and organic light emitting medium Masahide Matsuura, Masakazu Funahashi, Chishio Hosokawa 2012-12-04
8294142 Organic EL device Kazuki Nishimura, Toshihiro Iwakuma, Masahiro Kawamura, Chishio Hosokawa, Masakazu Funahashi 2012-10-23
8221907 Chrysene derivative and organic electroluminescent device using the same Masahiro Kawamura, Kazuki Nishimura, Toshihiro Iwakuma, Chishio Hosokawa, Masakazu Funahashi +6 more 2012-07-17
8211552 Organic electroluminescence device Kazuki Nishimura, Toshihiro Iwakuma, Chishio Hosokawa, Masahiro Kawamura, Mitsunori Ito +2 more 2012-07-03
8207526 Organic EL device Kazuki Nishimura, Toshihiro Iwakuma, Yukitoshi Jinde, Chishio Hosokawa 2012-06-26
8154195 Organic electroluminescence device and material for organic electroluminescence device Kazuki Nishimura, Toshihiro Iwakuma, Chishio Hosokawa, Masahiro Kawamura, Mitsunori Ito +2 more 2012-04-10
8114530 Material for organic electroluminescence device and organic electroluminescence device utilizing the same Toshihiro Iwakuma, Jun Endo, Masaki Numata 2012-02-14
8106582 Organic electroluminescence display device Keiko Yamamichi, Kimihiro Yuasa, Chishio Hosokawa, Hitoshi Kuma 2012-01-31
8106391 Organic EL device Jun Endo, Toshihiro Iwakuma, Chishio Hosokawa, Tadahiko Yoshinaga, Emiko Kambe +1 more 2012-01-31
8080658 Material for organic electroluminescent element and organic electroluminescent element employing the same Toshihiro Iwakuma, Jun Endo, Masaki Numata 2011-12-20
8034256 Naphthalene derivative, material for organic electroluminescence device, and organic electroluminescence device using the same Masahiro Kawamura, Kazuki Nishimura, Yoriyuki Takashima, Mitsunori Ito, Toshihiro Iwakuma +2 more 2011-10-11
8029697 Naphthalene derivative, material for organic electroluminescence device, and organic electroluminescence device using the same Masahiro Kawamura, Kazuki Nishimura, Yoriyuki Takashima, Mitsunori Ito, Toshihiro Iwakuma +2 more 2011-10-04
8025815 Naphthalene derivative, material for organic electroluminescence device, and organic electroluminescence device using the same Masahiro Kawamura, Kazuki Nishimura, Yoriyuki Takashima, Mitsunori Ito, Toshihiro Iwakuma +2 more 2011-09-27
8021574 Naphthalene derivative, material for organic electroluminescence device, and organic electroluminescence device using the same Masahiro Kawamura, Kazuki Nishimura, Yoriyuki Takashima, Mitsunori Ito, Toshihiro Iwakuma +2 more 2011-09-20
8007924 Organic electroluminescent device and display using same Chishio Hosokawa 2011-08-30
7968213 Material for organic electroluminescence device and organic electroluminescence device utilizing the same Toshihiro Iwakuma, Jun Endo, Masaki Numata 2011-06-28
7927716 Organic electroluminescence device and organic light emitting medium Masahide Matsuura, Masakazu Funahashi, Chishio Hosokawa 2011-04-19
7879465 Organic electric-field light-emitting element Takashi Arakane, Chishio Hosokawa 2011-02-01
7800299 Organic electroluminescent device and display using same Hiroshi Yamamoto 2010-09-21
7777413 Organic electroluminescent device having an optical resonator Hitoshi Kuma, Chishio Hosokawa 2010-08-17
7745016 White organic electroluminescence device Masahide Matsuura, Hiroshi Yamamoto, Chishio Hosokawa 2010-06-29
7732063 Organic electroluminescence device and organic light emitting medium Masahide Matsuura, Masakazu Funahashi, Chishio Hosokawa 2010-06-08
7709102 Organic electroluminescence device Chishio Hosokawa, Hisahiro Higashi, Hidetsugu Ikeda 2010-05-04
7663304 Organic electroluminescence element Masahide Matsuura, Hiroshi Yamamoto, Chishio Hosokawa 2010-02-16
7659659 Organic electroluminescent device and display using same Hiroshi Yamamoto 2010-02-09