Inventor
OKAMOTO TAKEHIKO
11 patents
⚠️ This page may combine multiple inventors who share the name “OKAMOTO TAKEHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KURARAY CO
5 patentsUS4664669AMay 12, 1987
Composite hollow fiber-type separation membranes, processes for the preparation thereof and their use
KURARAY CO161 citations97
US5340480AAug 23, 1994
Polysulfone-based hollow fiber membrane and process for manufacturing the same
KURARAY CO129 citations95
US4279752AJul 21, 1981
Polyvinyl alcohol semi-permeable membrane and method for producing same
KURARAY CO60 citations95
US4938778AJul 3, 1990
Composite hollow fiber type separation membranes processes for the preparation thereof and their use
KURARAY CO115 citations94
US4874522AOct 17, 1989
Polysulfone hollow fiber membrane and process for making the same
KURARAY CO51 citations90
TORAY INDUSTRIES
3 patentsUS3981944ASep 21, 1976
Method for producing impact resistant thermoplastic resin by continuous bulk polymerization
TORAY INDUSTRIES70 citations94
US3950455AApr 13, 1976
Method for graft polymerization of diene polymer
TORAY INDUSTRIES12 citations71
US4325915AApr 20, 1982
Bulk polymerization reactor
TORAY INDUSTRIES5 citations62