IU

Isamu Utsumi

KL Kanebo, Limited: 4 patents #46 of 571Top 9%
ZS Zyma Sa: 1 patents #8 of 28Top 30%
Overall (All Time): #1,065,649 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4515804 Crystal modifications of (+)-catechin and pharmaceutical preparations containing them Erwin Marti, Oskar Heiber, Alexandre Gumma, Gustave Huber, Hiroshi Nakagawa +2 more 1985-05-07
4428806 Process for producing brominated 1,3-dioxolen-2-ones Fumio Sakamoto, Shoji Ikeda, Goro Tsukamoto 1984-01-31
4389408 Novel ampicillin esters and production thereof Fumio Sakamoto, Shoji Ikeda, Goro Tsukamoto 1983-06-21
4342693 1,3-Dioxolen-2-one derivatives and process for production thereof Fumio Sakamoto, Shoji Ikeda, Goro Tsukamoto 1982-08-03
4306024 Process for cultivation of hemolytic Streptococcus pyogenes Shintaro Inoue, Mikio Sotomura, Hiroshi Tanaka, Seiichi Iwamoto, Norimasa Takamatsu +1 more 1981-12-15