II

Isamu Igarashi

SC Sankyo Holdings Co.: 3 patents #223 of 700Top 35%
📍 Miyoshi, JP: #775 of 2,464 inventorsTop 35%
Overall (All Time): #1,676,962 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4716158 7-(2-amin othiazol-4-yl)-2-(syn)-methoxyiminoacetamido)-3-methoxymethyl-3-cepham-4- carboxylates Hideo Nakao, Koichi Fujimoto, Sadao Ishihara, Shinichi Sugawara 1987-12-29
4486425 7-[2-(2-A minothiazol-4-yl)-2-(syn)-methoxyiminoacetamido]-3-methoxymethyl-3-cephem -4-carboxylates Hideo Nakao, Koichi Fujimoto, Sadao Ishihara, Shinichi Sugawara 1984-12-04
4483855 Cephalosporin derivative and antibiotic compositions Hideo Nakao, Koichi Fujimoto, Sadao Ishihara, Shinichi Sugawara 1984-11-20