Inventor
TAMURA TOSHIFUMI
JP10 patents
⚠️ This page may combine multiple inventors who share the name “TAMURA TOSHIFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO CHEMICAL CO
6 patentsUS4367323AJan 4, 1983
Production of hydrogels
SUMITOMO CHEMICAL CO194 citations96
US4320040AMar 16, 1982
Method for preparing highly absorbent hydro-gel polymers
SUMITOMO CHEMICAL CO77 citations96
US4155893AMay 22, 1979
Preparing a hydrophilic gel by hydrolyzing a vinyl ester-acrylic or methacrylic ester copolymer
SUMITOMO CHEMICAL CO28 citations82
US4438262AMar 20, 1984
Highly dielectric polysaccharides
SUMITOMO CHEMICAL CO7 citations73
US4779954AOct 25, 1988
Plastic optical fiber resistant to heat and humidity
SUMITOMO CHEMICAL CO14 citations72
US4758067AJul 19, 1988
Plastic optical fiber
SUMITOMO CHEMICAL CO16 citations72