RY

Ryo Yoshida

SC Sumitomo Chemical: 69 patents #4 of 4,033Top 1%
IC Ihara Chemical Industry Co.: 7 patents #34 of 263Top 15%
KC Kumiai Chemical Industry Co.: 5 patents #62 of 284Top 25%
Overall (All Time): #25,162 of 4,157,543Top 1%
76
Patents All Time

Issued Patents All Time

Showing 76–76 of 76 patents

Patent #TitleCo-InventorsDate
4249938 N-Phenyl-N-methyl-urea derivatives, and their production and use Ichiki Takemoto, Seizo Sumida, Katsuzo Kamoshita 1981-02-10