TO

Toshinari Ogiwara

IC Idemitsu Kosan Co.: 84 patents #6 of 1,237Top 1%
CO Comcast: 1 patents #2,409 of 4,447Top 55%
📍 Chiyoda, JP: #13 of 1,712 inventorsTop 1%
Overall (All Time): #20,306 of 4,157,543Top 1%
84
Patents All Time

Issued Patents All Time

Showing 76–84 of 84 patents

Patent #TitleCo-InventorsDate
8221907 Chrysene derivative and organic electroluminescent device using the same Masahiro Kawamura, Kazuki Nishimura, Toshihiro Iwakuma, Kenichi Fukuoka, Chishio Hosokawa +6 more 2012-07-17
8211552 Organic electroluminescence device Kazuki Nishimura, Toshihiro Iwakuma, Kenichi Fukuoka, Chishio Hosokawa, Masahiro Kawamura +2 more 2012-07-03
8154195 Organic electroluminescence device and material for organic electroluminescence device Kazuki Nishimura, Toshihiro Iwakuma, Kenichi Fukuoka, Chishio Hosokawa, Masahiro Kawamura +2 more 2012-04-10
8039127 Organic electroluminescence device and material for organic electroluminescence device Toshihiro Iwakuma, Yoriyuki Takashima, Mitsunori Ito 2011-10-18
8039129 Organic electroluminescence device and material for organic electroluminescence device Toshihiro Iwakuma, Yoriyuki Takashima, Mitsunori Ito 2011-10-18
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