AS

Akihito Saitoh

Canon: 93 patents #132 of 19,416Top 1%
TC Toyama Chemical Co.: 9 patents #25 of 270Top 10%
DL Dow Corning Asia Limited: 1 patents #27 of 76Top 40%
Samsung: 1 patents #49,284 of 75,807Top 70%
Overall (All Time): #13,459 of 4,157,543Top 1%
104
Patents All Time

Issued Patents All Time

Showing 51–75 of 104 patents

Patent #TitleCo-InventorsDate
8431244 Indenochrysene derivative and organic light-emitting device using same Hiroki Ohrui, Chika Negishi, Hironobu Iwawaki, Masanori Muratsubaki, Shinjiro Okada 2013-04-30
8431711 Organic compound Jun Kamatani, Naoki Yamada 2013-04-30
8404363 Organic light emitting device Keiji Okinaka, Naoki Yamada, Masataka Yashima, Koichi Suzuki, Akihiro Senoo +1 more 2013-03-26
8384286 Compound and organic light emitting device using the compound Satoshi Igawa, Shinjiro Okada, Jun Kamatani, Naoki Yamada, Masashi Hashimoto +3 more 2013-02-26
8318395 Dibenzoanthracene compound and organic light emitting device having the same Keiji Okinaka, Satoshi Igawa, Jun Kamatani, Naoki Yamada, Masashi Hashimoto +5 more 2012-11-27
8293384 Organic compound, light-emitting device, and image display apparatus Jun Kamatani, Takayuki Horiuchi, Naoki Yamada 2012-10-23
8283053 Fluoranthene derivative and organic light emitting device having the same Masashi Hashimoto, Naoki Yamada, Satoshi Igawa, Jun Kamatani, Takao Takiguchi +1 more 2012-10-09
8273902 Process for production of 1-(3-(2-(1-benzothiophen-5-yl)-ethoxy)propyl)azetidin-3-ol or salts thereof Yoshiaki Suzuki, Kenji Yonezawa, Mitsuhide Kawamura, Takahiko Kusanagi, Takashi Nakai 2012-09-25
RE43676 Alkyl ether derivatives or salts thereof Noboru Iwakami, Tamotsu Takamatsu 2012-09-18
8227094 Organic electroluminescent device Keiji Okinaka, Masataka Yashima, Naoki Yamada 2012-07-24
8173275 Azaindenochrysene derivative and organic light-emitting device Hiroki Ohrui, Masanori Muratsubaki, Takeshi Sekiguchi 2012-05-08
8129535 Alkyl ether derivatives or salts thereof Noboru Iwakami, Tamotsu Takamatsu 2012-03-06
8102116 Organic light-emitting device Jun Kamatani, Isao Kawata, Naoki Yamada, Hiroyuki Tomono, Kengo Kishino +3 more 2012-01-24
8072136 Compound and organic light emitting device using the compound Satoshi Igawa, Shinjiro Okada, Jun Kamatani, Naoki Yamada, Masashi Hashimoto +3 more 2011-12-06
8067406 Preventive/remedy for retinal nerve diseases containing alkyl ether derivatives or salts thereof Tatsuo Kimura, Noboru Iwakami 2011-11-29
8034944 Benzofluoranthene compound and organic light-emitting device using the compound Hiroki Ohrui, Chika Negishi, Hironobu Iwawaki, Masanori Muratsubaki, Hiroyuki Tomono +2 more 2011-10-11
8026664 Compound and organic light emitting device Keiji Okinaka, Satoshi Igawa, Jun Kamatani, Naoki Yamada, Masashi Hashimoto +5 more 2011-09-27
8021767 4-arylfluorene compound and organic light-emitting device using same Naoki Yamada, Jun Kamatani, Satoshi Igawa, Shinjiro Okada 2011-09-20
8021766 Benzo(GHI)fluoranthene derivative and organic light emitting device using the same Masanori Muratsubaki, Satoshi Igawa, Takao Takiguchi, Shinjiro Okada 2011-09-20
7998597 Organic light emitting device Keiji Okinaka, Satoshi Igawa, Jun Kamatani, Naoki Yamada, Masashi Hashimoto +5 more 2011-08-16
7977869 Organic luminescent device and benzo[k]fluoranthene compound Masanori Muratsubaki, Satoshi Igawa, Hiroki Ohrui, Chika Negishi, Masashi Hashimoto +3 more 2011-07-12
7952269 Organic light-emitting device Keiji Okinaka, Masataka Yashima, Naoki Yamada, Akihiro Senoo, Kazunori Ueno 2011-05-31
7951963 Process for production of 1-(3-(2-(1-benzothiophen-5-yl)-ethoxy)propyl)azetidin-3-ol or salts thereof Yoshiaki Suzuki, Kenji Yonezawa, Mitsuhide Kawamura, Takahiko Kusanagi, Takashi Nakai 2011-05-31
7932592 Compound and organic light-emitting element Keiji Okinaka, Satoshi Igawa, Naoki Yamada, Chika Negishi, Takao Takiguchi +1 more 2011-04-26
7919199 Organic light emitting device Keiji Okinaka, Naoki Yamada, Masataka Yashima, Koichi Suzuki, Akihiro Senoo +1 more 2011-04-05