Masaru Kurihara

Person

Otsu, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for multistage reverse osmosis separation
- Patent number 6,187,200
- Issue date Feb 13, 2001
- Toray Industries, Inc.
- Hiroyuki Yamamura
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Composite membrane
- Patent number 5,259,950
- Issue date Nov 9, 1993
- Toray Industries, Inc.
- Kuniyasu Shiro
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Composite semipermeable membrane, process of producing the same and...
- Patent number 5,178,766
- Issue date Jan 12, 1993
- Toray Industries, Inc.
- Toshihiro Ikeda
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Porous membrane and production process thereof
- Patent number 5,112,487
- Issue date May 12, 1992
- Toray Industries, Inc.
- Yoshio Himeshima
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for preparation of semipermeable composite membrane
- Patent number 4,857,363
- Issue date Aug 15, 1989
- Toray Industries, Inc.
- Tatsuo Sasaki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Interfacially synthesized reverse osmosis membrane
- Patent number 4,761,234
- Issue date Aug 2, 1988
- Toray Industries, Inc.
- Tadahiro Uemura
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Interfacially synthesized reverse osmosis membrane
- Patent number 4,758,343
- Issue date Jul 19, 1988
- Toray Industries, Inc.
- Tatsuo Sasaki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Membrane treatment method for semipermeable membranes
- Patent number 4,634,531
- Issue date Jan 6, 1987
- Toray Industries, Inc.
- Yukio Nakagawa
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
High performance semipermeable composite membrane and process for p...
- Patent number 4,559,139
- Issue date Dec 17, 1985
- Toray Industries, Inc.
- Tadahiro Uemura
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method of making a reverse osmosis semipermeable membrane
- Patent number 4,557,949
- Issue date Dec 10, 1985
- Toray Industries, Inc.
- Masaru Kurihara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Semipermeable membrane treated with modified vinyl polymer
- Patent number 4,478,717
- Issue date Oct 23, 1984
- Toray Industries, Inc.
- Masaru Kurihara
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
High performance semipermeable composite membrane and process for p...
- Patent number 4,387,024
- Issue date Jun 7, 1983
- Toray Industries, Inc.
- Masaru Kurihara
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Reverse osmosis using a composite isocyanurate membrane
- Patent number 4,366,062
- Issue date Dec 28, 1982
- Toray Industries, Inc.
- Masaru Kurihara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Cellulose derivative reverse osmosis membrane
- Patent number 4,305,824
- Issue date Dec 15, 1981
- Toray Industries, Incorporated
- Tadahiro Uemura
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Cellulose derivative reverse osmosis membrane and casting solution...
- Patent number 4,239,545
- Issue date Dec 16, 1980
- Toray Industries, Inc.
- Tadahiro Uemura
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Masaru Kurihara

Person

Patents Grantslast 30 patents

Apparatus and method for multistage reverse osmosis separation

Composite membrane

Composite semipermeable membrane, process of producing the same and...

Porous membrane and production process thereof

Process for preparation of semipermeable composite membrane

Interfacially synthesized reverse osmosis membrane

Interfacially synthesized reverse osmosis membrane

Membrane treatment method for semipermeable membranes

High performance semipermeable composite membrane and process for p...

Method of making a reverse osmosis semipermeable membrane

Semipermeable membrane treated with modified vinyl polymer

High performance semipermeable composite membrane and process for p...

Reverse osmosis using a composite isocyanurate membrane

Cellulose derivative reverse osmosis membrane

Cellulose derivative reverse osmosis membrane and casting solution...