TI

Toshihiro Iwakuma

IC Idemitsu Kosan Co.: 88 patents #5 of 1,237Top 1%
CO Comcast: 5 patents #802 of 4,447Top 20%
Overall (All Time): #18,340 of 4,157,543Top 1%
89
Patents All Time

Issued Patents All Time

Showing 26–50 of 89 patents

Patent #TitleCo-InventorsDate
8940412 Material for organic electroluminescent element, and organic electroluminescent element Yoriyuki Takashima, Toshinari Ogiwara, Chishio Hosokawa, Mitsunori Ito 2015-01-27
8927118 Material for organic electroluminescence device and organic electroluminescence device using the same Tomoki Kato, Masaki Numata, Kazuki Nishimura, Chishio Hosokawa 2015-01-06
8912531 Organic electroluminescent device Toshinari Ogiwara, Kazuki Nishimura 2014-12-16
8911886 Material for organic electroluminescent devices and organic electroluminescent devices made by using the same Chishio Hosokawa, Hidetsugu Ikeda, Seiji Tomita, Takashi Arakane 2014-12-16
8895154 Organic electroluminescent device Hiroya Yasuda, Kiyoshi Ikeda, Keiko Yamamichi, Takashi Arakane, Chishio Hosokawa 2014-11-25
8785003 Material for organic electroluminescence device and organic electroluminescence device using the same Tetsuya Inoue, Kumiko Hibino, Kei Yoshida, Kazuki Nishimura 2014-07-22
8779655 Organic electroluminescence device and material for organic electroluminescence device Kazuki Nishimura, Kenichi Fukuoka, Chishio Hosokawa, Masahiro Kawamura, Mitsunori Ito +2 more 2014-07-15
8759819 Organic electroluminescence device Kazuki Nishimura, Kenichi Fukuoka, Chishio Hosokawa, Jun Endo, Nobuhiro Yabunouchi +1 more 2014-06-24
8741450 Material for organic electroluminescence devices and organic electroluminescence device using the material Hiroshi Yamamoto, Yoshio Hironaka, Hidetsugu Ikeda, Chishio Hosokawa, Seiji Tomita +1 more 2014-06-03
8685543 Material for organic electroluminescent devices and organic electroluminescent devices made by using the same Chishio Hosokawa, Hidetsugu Ikeda, Seiji Tomita, Takashi Arakane 2014-04-01
8623524 Organic electroluminescent device Takashi Arakane, Chishio Hosokawa 2014-01-07
8604466 Organic electroluminescent element Jun Endo, Chishio Hosokawa 2013-12-10
8587192 Organic electroluminescence device and material for organic electroluminescence device Kazuki Nishimura, Kenichi Fukuoka, Chishio Hosokawa, Masahiro Kawamura, Mitsunori Ito +2 more 2013-11-19
8580398 Material for organic electroluminescent devices and organic electroluminescent devices made by using the same Chishio Hosokawa, Hidetsugu Ikeda, Seiji Tomita, Takashi Arakane 2013-11-12
8580391 Material for organic electroluminescence devices and organic electroluminescence device using the material Hiroshi Yamamoto, Yoshio Hironaka, Hidetsugu Ikeda, Chishio Hosokawa, Seiji Tomita +1 more 2013-11-12
8574725 Organic el element and solution containing organic el material Kazuki Nishimura, Kenichi Fukuoka, Chishio Hosokawa 2013-11-05
8568903 Phenanthrene derivative, and material for organic EL element Masahiro Kawamura, Kazuki Nishimura, Yoriyuki Takashima, Mitsunori Ito, Toshinari Ogiwara 2013-10-29
8563145 Material containing two or three dibenzofuran groups, dibenzothiophene groups, or a combination thereof, which is operable for organic electroluminescence elements, and organic electroluminescence elements using the material Masahide Matsuura, Yuki Nakano, Hidetsugu Ikeda 2013-10-22
8471008 Material for organic electroluminescent element and organic electroluminescent element employing the same Jun Endo, Masaki Numata, Kenichi Fukuoka 2013-06-25
8470455 Organic electroluminescent device Masahide Matsuura, Chishio Hosokawa, Keiko Yamamichi 2013-06-25
8436343 Organic EL device Kazuki Nishimura, Masahiro Kawamura, Kenichi Fukuoka, Chishio Hosokawa 2013-05-07
8426036 Organic EL device and anthracene derivative Kazuki Nishimura, Masahiro Kawamura, Chishio Hosokawa, Kenichi Fukuoka, Yukitoshi Jinde 2013-04-23
8425801 Composite organic electroluminescent material and production method thereof Hidehiro Matsunami, Yasunori Kadoi, Chishio Hosokawa, Yoshikazu Tanaka, Atau Ioku 2013-04-23
8409730 Crosslinked pi-conjugated heteroacene compound for organic electroluminescence device and organic electroluminescence device using the same Tomoki Kato, Masaki Numata, Kazuki Nishimura, Chishio Hosokawa 2013-04-02
8377575 Organic electroluminescence device Masahide Matsuura, Hideaki Nagashima, Hidetsugu Ikeda, Hiroaki Nakamura, Tadashi Kusumoto 2013-02-19