TI

Toshihiro Iwakuma

IC Idemitsu Kosan Co.: 16 patents #2 of 148Top 2%
Overall (2011): #1,045 of 364,097Top 1%
16
Patents 2011

Issued Patents 2011

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
8080658 Material for organic electroluminescent element and organic electroluminescent element employing the same Jun Endo, Masaki Numata, Kenichi Fukuoka 2011-12-20
8057919 Material for organic electroluminescence device and organic electroluminescence device using the same Tomoki Kato, Masaki Numata, Kazuki Nishimura, Chishio Hosokawa 2011-11-15
8049411 Material for organic electroluminescence device and organic electroluminescence device using the same Tomoki Kato, Masaki Numata, Kazuki Nishimura, Chishio Hosokawa 2011-11-01
8039121 Organic electroluminescence device Masahide Matsuura, Hideaki Nagashima, Hidetsugu Ikeda, Hiroaki Nakamura, Tadashi Kusumoto 2011-10-18
8039129 Organic electroluminescence device and material for organic electroluminescence device Yoriyuki Takashima, Mitsunori Ito, Toshinari Ogiwara 2011-10-18
8039127 Organic electroluminescence device and material for organic electroluminescence device Yoriyuki Takashima, 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, Yoriyuki Takashima, Mitsunori Ito, Toshinari Ogiwara +2 more 2011-10-11
8035297 Organic electroluminescent device with carrier blocking layer interposed between two emitting layers Takashi Arakane, Hitoshi Kuma, Hisayuki Kawamura, Chishio Hosokawa 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, 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, Yoriyuki Takashima, Mitsunori Ito, 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, Yoriyuki Takashima, Mitsunori Ito, Toshinari Ogiwara +2 more 2011-09-20
7990046 Material for organic electroluminescent devices and organic electroluminescent devices made by using the same Chishio Hosokawa, Hidetsugu Ikeda, Seiji Tomita, Takashi Arakane 2011-08-02
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