SH

Shigeki Hamamoto

SC Sumitomo Seika Chemicals Co.: 3 patents #1 of 10Top 10%
📍 Kasai, JP: #36 of 567 inventorsTop 7%
Overall (2005): #17,011 of 245,428Top 7%
3
Patents 2005

Issued Patents 2005

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6979722 Process for production of alkyllene oxide polymers Nobutaka Fujimoto, Makoto Katou, Kazuyuki Miura 2005-12-27
6933356 Particles of carboxylated polymer Tomoki Kawakita, Masatoyo Yoshinaka 2005-08-23
6869994 Carboxylated polymer composition Masato Fujikake, Tomoki Kawakita, Masatoyo Yoshinaka 2005-03-22