P

Inventor

KURIHARA MASARU

JP46 patents
⚠️ This page may combine multiple inventors who share the name “KURIHARA MASARU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TORAY INDUSTRIES

18 patents
US5178766AJan 12, 1993

Composite semipermeable membrane, process of producing the same and method of producing highly pure water using the same

TORAY INDUSTRIES78 citations96
US4761234AAug 2, 1988

Interfacially synthesized reverse osmosis membrane

TORAY INDUSTRIES125 citations96
US4387024AJun 7, 1983

High performance semipermeable composite membrane and process for producing the same

TORAY INDUSTRIES67 citations96
US6187200B1Feb 13, 2001

Apparatus and method for multistage reverse osmosis separation

TORAY INDUSTRIES144 citations95
US4758343AJul 19, 1988

Interfacially synthesized reverse osmosis membrane

TORAY INDUSTRIES62 citations94
US4366062ADec 28, 1982

Reverse osmosis using a composite isocyanurate membrane

TORAY INDUSTRIES35 citations93
US5259950ANov 9, 1993

Composite membrane

TORAY INDUSTRIES45 citations92
US4634531AJan 6, 1987

Membrane treatment method for semipermeable membranes

TORAY INDUSTRIES40 citations92
US4559139ADec 17, 1985

High performance semipermeable composite membrane and process for producing the same

TORAY INDUSTRIES43 citations92
US4857363AAug 15, 1989

Process for preparation of semipermeable composite membrane

TORAY INDUSTRIES29 citations91
US3993625ANov 23, 1976

Permselective polymeric membranes of organic polyamide or polyhydrazide

TORAY INDUSTRIES51 citations89
US4086215AApr 25, 1978

Crosslinked organic polyamide or polyhydrazine permselective polymeric membranes

TORAY INDUSTRIES21 citations78
US4557949ADec 10, 1985

Method of making a reverse osmosis semipermeable membrane

TORAY INDUSTRIES14 citations74
US4305824ADec 15, 1981

Cellulose derivative reverse osmosis membrane

TORAY INDUSTRIES15 citations74
US4239545ADec 16, 1980

Cellulose derivative reverse osmosis membrane and casting solution and additive for preparing the same

TORAY INDUSTRIES13 citations74
US5112487AMay 12, 1992

Porous membrane and production process thereof

TORAY INDUSTRIES12 citations73
US3961009AJun 1, 1976

Process for the production of a shaped article of a heat resistant polymer

TORAY INDUSTRIES18 citations70
US4478717AOct 23, 1984

Semipermeable membrane treated with modified vinyl polymer

TORAY INDUSTRIES5 citations60

FUJI HEAVY IND LTD

10 patents

HITACHI LTD

8 patents

HITACHI HIGH TECH CORP

4 patents

HITACHI POWER SOLUTIONS CO LTD

2 patents

TOKYO KIKAI SEISAKUSHO LTD

2 patents

RENESAS TECH CORP

1 patent

TOPPAN PRINTING CO LTD

1 patent