Inventor

HACHISUKA HISAO

JP20 patents

⚠️ This page may combine multiple inventors who share the name “HACHISUKA HISAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HACHISUKA HISAO

NITTO DENKO CORP

Composite reverse osmosis membrane having a separation layer with polyvinyl alcohol coating and method of reverse osmotic treatment of water using the same

Reverse osmosis composite membrane and reverse osmosis treatment method for water using the same

Polyimide semipermeable membrane

Separation membrane and method of producing the same, and shape memory polymer composition

Spiral wound type separation membrane element

Reverse osmosis composite membrane

Polysulfone semipermeable membrane and method of manufacturing the same

Fluorine-containing polyimide gas separation membrane and method of manufacturing the same

Laminated asymmetric membrane and method for manufacturing the same

Gas separating composite membrane and process for producing the same

Acid chloride

Composite reverse osmosis membrane and novel acid chloride

Method of treating reverse osmosis membrane element, and reverse osmosis membrane module

Gas separation method

Method of manufacturing a polyimide-type gas permeation membrane including fluorine

Fluorine-containing polyquinazolone polymer and separation membrane using the same

Dope for cast formation and method of manufacturing the same

PETROLEUM ENERGY CENTER FOUND

Method of selectively separating unsaturated hydrocarbon

BROTHER IND LTD

Power supply unit for electrical discharge machine

MEMSTAR USA INC

Reverse osmosis membrane and method of producing the same