TA

Toshio Atsumi

SC Sumitomo Chemical: 3 patents #12 of 256Top 5%
KC Kao Soap Co.: 1 patents #11 of 56Top 20%
📍 Ashiya, JP: #1 of 17 inventorsTop 6%
Overall (1982): #2,954 of 81,411Top 4%
3
Patents 1982

Issued Patents 1982

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4332806 Antitumor and immunosuppresive 4-carbamoyl imidazolium-5-olate derivatives, pharmaceutical composition and production thereof Yoshiaki Takebayashi, Takao Kiyohara 1982-06-01
4318925 4-Homoisotwistane derivatives Yoshiaki Takebayashi, Masaru Fukui, Hisao Yamamoto 1982-03-09
4317825 Antitumor and immunosuppressive 4-carbamoyl imidazolium-5-olate derivatives Tetsutaro Sanjiki, Takao Kiyohara 1982-03-02