YT

Yasuhumi Toyokawa

IC Ihara Chemical Industry Co.: 8 patents #27 of 263Top 15%
KC Kumiai Chemical Industry Co.: 8 patents #29 of 284Top 15%
Overall (All Time): #670,102 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
5081244 Pyrimidine derivatives, processes for their production, and herbicidal method and compositions Nobuhide Wada, Shoji Kusano 1992-01-14
4985066 2-phenoxypyrimidine derivative and herbicidal composition Nobuhide Wada, Yoshihiro Saito, Shoji Kusano, Takeshige Miyazawa, Ikuo Kajiwara +1 more 1991-01-15
4932999 Pyrimidine compounds, and herbicidal method and compositions Yoshihiro Saito, Nobuhide Wada, Shoji Kusano, Takeshige Miyazawa, Satoru Takahashi +1 more 1990-06-12
4931087 Picolinic acid derivatives and herbicidal compositions Masahiro Shigematsu, Hideo Ohi, Shoji Kusano, Takeshige Miyazawa, Satoru Takahashi +1 more 1990-06-05
4923501 Pyrimidine derivatives, processes for their production, and herbicidal method and compositions Yoshihiro Saito, Nobuhide Wada, Shoji Kusano, Takeshige Miyazawa, Satoru Takahashi +1 more 1990-05-08
4906285 Pyrimidine derivatives and herbicidal method and compositions Nobuhide Wada, Shoji Kusano 1990-03-06
4900352 2-Phenoxypyimidine derivative and herbicidal composition Nobuhide Wada, Yoshihiro Saito, Shoji Kusano, Takeshige Miyazawa, Ikuo Kajiwara +1 more 1990-02-13
4832729 Picolinic acid derivatives and herbicidal compositions Masahiro Shigematsu, Hideo Ohi, Shoji Kusano, Takeshige Miyazawa, Satoru Takahashi +1 more 1989-05-23