KN

Kouichi Niimura

KK Kureha Kagaku Kogyo: 5 patents #119 of 607Top 20%
Overall (All Time): #1,065,454 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4540689 Penicillin derivative Shigeaki Muto, Takao Ando, Akihiko Kanno, Takao Furusho, Chikao Yoshikumi 1985-09-10
4496561 Cephalosporin derivative Shigeaki Muto, Takao Ando, Akihiko Kanno, Takao Furusho, Chikao Yoshikumi 1985-01-29
4496574 Penicillin derivative Shigeaki Muto, Takao Ando, Akihiko Kanno, Takao Furusho, Chikao Yoshikumi 1985-01-29
4446137 Cephalosporin derivative and pharmaceutical composition containing the derivative Shigeaki Muto, Takao Ando, Masahiko Fujii, Takao Furusho, Chikao Yoshikumi 1984-05-01
4439434 Cephalosporin derivative and pharmaceutical composition containing the derivative Shigeaki Muto, Takao Ando, Masahiko Fujii, Takao Furusho, Chikao Yoshikumi 1984-03-27