AK

Atsuhiko Kubota

EI Eisai: 16 patents #53 of 998Top 6%
EC Eisai R&D Management Co.: 4 patents #183 of 817Top 25%
📍 Ibaraki, JP: #397 of 6,779 inventorsTop 6%
Overall (All Time): #224,904 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDate
8124780 Benzimidazole compound Shuhei Miyazawa, Masanobu Shinoda, Tetsuya Kawahara, Nobuhisa Watanabe, Hitoshi Harada +5 more 2012-02-28
7781452 Imidazopyridine compound Shuhei Miyazawa, Hitoshi Harada, Hideaki Fujisaki, Kotaro Kodama, Junichi Nagakawa +2 more 2010-08-24
7538123 Indole derivative having piperidine ring Yuichi Suzuki, Koichi Ito, Atsushi Sasaki, Koshi Ueno, Miyuki Sakai +1 more 2009-05-26
7425634 Benzimidazole compound Shuhei Miyazawa, Masanobu Shinoda, Tetsuya Kawahara, Nobuhisa Watanabe, Hitoshi Harada +5 more 2008-09-16
7071201 Quinoline derivatives Noritaka Kitazawa, Kohshi Ueno, Keiko Takahashi, Teiji Kimura, Atsushi Sasaki +4 more 2006-07-04
6875761 Certain 1,3-disubstituted isoquinoline derivatives Kohshi Ueno, Atsushi Sasaki, Koki Kawano, Tadashi Okabe, Noritaka Kitazawa +4 more 2005-04-05
6790844 Certain 1,3-disubstituted isoquinoline derivatives Kohshi Ueno, Atsushi Sasaki, Koki Kawano, Tadashi Okabe, Noritaka Kitazawa +4 more 2004-09-14
6579881 Indoles Noritaka Kitazawa, Kohshi Ueno, Keiko Takahashi, Teiji Kimura, Atsushi Sasaki +4 more 2003-06-17
6448243 1,4-substituted cyclic amine derivatives Noritaka Kitazawa, Kohshi Ueno, Keiko Takahashi, Teiji Kimura, Atsushi Sasaki +4 more 2002-09-10
6340759 Fused pyridine derivatives Kohshi Ueno, Atsushi Sasaki, Koki Kawano, Tadashi Okabe, Noritaka Kitazawa +4 more 2002-01-22
5654306 Piperidine derivative and pharmaceutical composition Hachiro Sugimoto, Takaharu Nakamura, Yutaka Tsuchiya, Hiroyuki Sugumi, Kunizou Higurashi +6 more 1997-08-05
5475014 Oxazolidone derivative Kozo Akasaka, Akiharu Kajiwara, Satoshi Nagato, Youichi Iimura, Ichirou Yoshida +4 more 1995-12-12
5424318 Piperidine derivative and pharmaceutical composition Hachiro Sugimoto, Takaharu Nakamura, Yutaka Tsuchiya, Hiroyuki Sugumi, Kunizou Higurashi +6 more 1995-06-13
5306720 Piperidine derivative and pharmaceutical composition Hachiro Sugimoto, Takaharu Nakamura, Yutaka Tsuchiya, Hiroyuki Sugumi, Kunizou Higurashi +6 more 1994-04-26
5118684 Piperdine derivative and pharmaceutical composition Hachiro Sugimoto, Takaharu Nakamura, Yutaka Tsuchiya, Hiroyuki Sugumi, Kunizou Higurashi +6 more 1992-06-02
5100901 Cyclic amine compounds and pharmaceutical use Hachiro Sugimoto, Yutaka Tsuchiya, Kunizou Higurashi, Norio Karibe, Youichi Iimura +7 more 1992-03-31
5039681 Piperidine derivative and pharmaceutical composition Hachiro Sugimoto, Takaharu Nakamura, Yutaka Tsuchiya, Hiroyuki Sugumi, Kunizou Higurashi +6 more 1991-08-13
4942169 Piperidine derivative and pharmaceutical composition Hachiro Sugimoto, Takaharu Nakamura, Yutaka Tsuchiya, Hiroyuki Sugumi, Kunizou Higurashi +6 more 1990-07-17
4895841 Cyclic amine compounds with activity against acetylcholinesterase Hachiro Sugimoto, Yutaka Tsuchiya, Kunizou Higurashi, Norio Karibe, Youichi Iimura +7 more 1990-01-23
4849431 Piperidine derivative and pharmaceutical composition Hachiro Sugimoto, Takaharu Nakamura, Yutaka Tsuchiya, Hiroyuki Sugumi, Kunizou Higurashi +6 more 1989-07-18