Inventor
IWASA TOSHIO
6 patents
⚠️ This page may combine multiple inventors who share the name “IWASA TOSHIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ASAHI CHEMICAL IND
5 patentsUS4177150ADec 4, 1979
Dried porous acrylonitrile polymer membrane, process for producing same and separators made therefrom
ASAHI CHEMICAL IND18 citations81
US4251605AFeb 17, 1981
Dried porous acrylonitrile polymer membrane, process for producing same and separators made therefrom
ASAHI CHEMICAL IND11 citations72
US4144299AMar 13, 1979
Process for producing acrylonitrile polymer film
ASAHI CHEMICAL IND7 citations72
US4298644ANov 3, 1981
Extremely fine acrylic polymer fiber pile fabric and process for producing the same
ASAHI CHEMICAL IND5 citations58
US3931120AJan 6, 1976
Flameproof modacrylic fibers
ASAHI CHEMICAL IND5 citations58