Inventor
HASHINO YASUO
7 patents
Patents
7 patentsUS4061821ADec 6, 1977
Semipermeable composite membranes
ASAHI CHEMICAL IND98 citations95
US4267053AMay 12, 1981
Inline intravenous final filter unit
ASAHI CHEMICAL IND45 citations92
US4002567AJan 11, 1977
Ultrafiltration apparatus
ASAHI CHEMICAL IND62 citations92
US4822489AApr 18, 1989
Aromatic polysulfone type resin hollow fiber membrane and a process for producing the same
ASAHI CHEMICAL IND24 citations90
US4181694AJan 1, 1980
Method for producing hollow fibers of acrylonitrile polymers for ultrafilter
ASAHI CHEMICAL IND34 citations88
US4208508AJun 17, 1980
Semipermeable membranes of polyaryl ether sulfones
ASAHI CHEMICAL IND28 citations81
US3933653AJan 20, 1976
Membranes of acrylonitrile polymers for ultrafilter and method for producing the same
ASAHI CHEMICAL IND15 citations67