YT

Yoriyuki Takashima

IC Idemitsu Kosan Co.: 7 patents #6 of 148Top 5%
Overall (2011): #6,806 of 364,097Top 2%
7
Patents 2011

Issued Patents 2011

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
8039129 Organic electroluminescence device and material for organic electroluminescence device Toshihiro Iwakuma, Mitsunori Ito, Toshinari Ogiwara 2011-10-18
8039127 Organic electroluminescence device and material for organic electroluminescence device Toshihiro Iwakuma, Mitsunori Ito, Toshinari Ogiwara 2011-10-18
8034256 Naphthalene derivative, material for organic electroluminescence device, and organic electroluminescence device using the same Masahiro Kawamura, Kazuki Nishimura, Mitsunori Ito, Toshihiro Iwakuma, Toshinari Ogiwara +2 more 2011-10-11
8029697 Naphthalene derivative, material for organic electroluminescence device, and organic electroluminescence device using the same Masahiro Kawamura, Kazuki Nishimura, Mitsunori Ito, Toshihiro Iwakuma, Toshinari Ogiwara +2 more 2011-10-04
8025815 Naphthalene derivative, material for organic electroluminescence device, and organic electroluminescence device using the same Masahiro Kawamura, Kazuki Nishimura, Mitsunori Ito, Toshihiro Iwakuma, Toshinari Ogiwara +2 more 2011-09-27
8021574 Naphthalene derivative, material for organic electroluminescence device, and organic electroluminescence device using the same Masahiro Kawamura, Kazuki Nishimura, Mitsunori Ito, Toshihiro Iwakuma, Toshinari Ogiwara +2 more 2011-09-20
8022253 Aromatic amine derivative and organic electroluminescence device using the same Chishio Hosokawa, Masakazu Funahashi 2011-09-20