YT

Yutaka Tsuchiya

EI Eisai: 12 patents #91 of 998Top 10%
📍 Tokyo, NJ: #40 of 61 inventorsTop 70%
Overall (All Time): #428,966 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
5654306 Piperidine derivative and pharmaceutical composition Hachiro Sugimoto, Takaharu Nakamura, Hiroyuki Sugumi, Kunizou Higurashi, Norio Karibe +6 more 1997-08-05
5424318 Piperidine derivative and pharmaceutical composition Hachiro Sugimoto, Takaharu Nakamura, Hiroyuki Sugumi, Kunizou Higurashi, Norio Karibe +6 more 1995-06-13
5306720 Piperidine derivative and pharmaceutical composition Hachiro Sugimoto, Takaharu Nakamura, Hiroyuki Sugumi, Kunizou Higurashi, Norio Karibe +6 more 1994-04-26
5118684 Piperdine derivative and pharmaceutical composition Hachiro Sugimoto, Takaharu Nakamura, Hiroyuki Sugumi, Kunizou Higurashi, Norio Karibe +6 more 1992-06-02
5100901 Cyclic amine compounds and pharmaceutical use Hachiro Sugimoto, Kunizou Higurashi, Norio Karibe, Youichi Iimura, Atsushi Sasaki +7 more 1992-03-31
5039681 Piperidine derivative and pharmaceutical composition Hachiro Sugimoto, Takaharu Nakamura, Hiroyuki Sugumi, Kunizou Higurashi, Norio Karibe +6 more 1991-08-13
4942169 Piperidine derivative and pharmaceutical composition Hachiro Sugimoto, Takaharu Nakamura, Hiroyuki Sugumi, Kunizou Higurashi, Norio Karibe +6 more 1990-07-17
4895841 Cyclic amine compounds with activity against acetylcholinesterase Hachiro Sugimoto, Kunizou Higurashi, Norio Karibe, Youichi Iimura, Atsushi Sasaki +7 more 1990-01-23
4849431 Piperidine derivative and pharmaceutical composition Hachiro Sugimoto, Takaharu Nakamura, Hiroyuki Sugumi, Kunizou Higurashi, Norio Karibe +6 more 1989-07-18
4707468 Polypeptide Hiroshi Yoshino, Takeru Kaneko, Takahiro Nakazawa, Masuhiro Ikeda, Shin Araki +3 more 1987-11-17
4533494 Process for purifying secretin Mikio Uchiyama, Takashi Sato, Hiroshi Yoshino, Masayuki Konishi, Masahiko Tsujii +2 more 1985-08-06
4407745 Heptacosapeptide Mikio Uchiyama, Takashi Sato, Hiroshi Yoshino, Masayuki Konishi, Masahiko Tsujii +2 more 1983-10-04