TN

Takaharu Nakamura

EI Eisai: 19 patents #41 of 998Top 5%
📍 Abiko, JP: #44 of 277 inventorsTop 20%
Overall (All Time): #242,698 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
5654306 Piperidine derivative and pharmaceutical composition Hachiro Sugimoto, Yutaka Tsuchiya, Hiroyuki Sugumi, Kunizou Higurashi, Norio Karibe +6 more 1997-08-05
5523307 Cyclic amine and pharmacological composition Hachiro Sugimoto, Norio Karibe, Isao Saito, Kunizo Higurashi, Masahiro Yonaga +6 more 1996-06-04
5424318 Piperidine derivative and pharmaceutical composition Hachiro Sugimoto, Yutaka Tsuchiya, Hiroyuki Sugumi, Kunizou Higurashi, Norio Karibe +6 more 1995-06-13
5306720 Piperidine derivative and pharmaceutical composition Hachiro Sugimoto, Yutaka Tsuchiya, Hiroyuki Sugumi, Kunizou Higurashi, Norio Karibe +6 more 1994-04-26
5196439 Piperidine compounds useful to treat cerebrovascular diseases Hachiro Sugimoto, Norio Karibe, Isao Saito, Kunizo Higurashi, Masahiro Yonaga +6 more 1993-03-23
5151417 3-substituted vinyl cephalosporin derivatives Manabu Sasho, Hiroshi Yamauchi, Motosuke Yamanaka, Kanemasa Katsu, Isao Sugiyama +2 more 1992-09-29
5128465 Process for the preparation of cephem derivatives and intermediates therefor Takashi Kamiya, Toshihiko Naito, Yuuki Komatu, Yasunobu Kai, Manabu Sasho +4 more 1992-07-07
5118684 Piperdine derivative and pharmaceutical composition Hachiro Sugimoto, Yutaka Tsuchiya, Hiroyuki Sugumi, Kunizou Higurashi, Norio Karibe +6 more 1992-06-02
5102895 Novel vitamin E derivatives and process for the production thereof Noriyasu Hirose, Kimio Hamamura, Kiiti Ema, Takashi Banba, Tetsuya Nakamura +5 more 1992-04-07
5089491 3-propenylcephem derivative Takashi Kamiya, Toshihiko Naito, Shigeto Negi, Yuuki Komatu, Yasunobu Kai +6 more 1992-02-18
5039681 Piperidine derivative and pharmaceutical composition Hachiro Sugimoto, Yutaka Tsuchiya, Hiroyuki Sugumi, Kunizou Higurashi, Norio Karibe +6 more 1991-08-13
5006649 3-propenylcephem derivative Takashi Kamiya, Toshihiko Naito, Shigeto Negi, Yuuki Komatu, Yasunobu Kai +6 more 1991-04-09
4942169 Piperidine derivative and pharmaceutical composition Hachiro Sugimoto, Yutaka Tsuchiya, Hiroyuki Sugumi, Kunizou Higurashi, Norio Karibe +6 more 1990-07-17
4929612 Thiadiazolylacetamide cephem derivatives Yoshimasa Machida, Shigeto Negi, Takashi Kamiya, Yuuki Komatu, Isao Sugiyama +5 more 1990-05-29
4921850 3-propenylcephem derivative Takashi Kamiya, Toshihiko Naito, Shigeto Negi, Yuuki Komatu, Yasunobu Kai +6 more 1990-05-01
4921863 Cyclic amine derivatives Hachiro Sugimoto, Norio Karibe, Isao Saito, Kunizou Higurashi, Masahiro Yonaga +4 more 1990-05-01
4849431 Piperidine derivative and pharmaceutical composition Hachiro Sugimoto, Yutaka Tsuchiya, Hiroyuki Sugumi, Kunizou Higurashi, Norio Karibe +6 more 1989-07-18
4564617 Theophylline and theobromine derivatives Hachiro Sugimoto, Sachiyuki Hamazo, Yoshiharu Daiku 1986-01-14
4426383 Theophylline and theobromine derivatives Hachiro Sugimoto, Sachiyuki Hamazo, Toshiji Igarashi, Yoshiharu Daiku 1984-01-17