Hajime Itoh

Person

Otake, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Chitosan-containing acrylic fibers and process for preparing the same
- Patent number 6,551,705
- Issue date Apr 22, 2003
- Mitsubishi Rayon Co., Ltd.
- Hiroaki Ohnishi
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Process of making chitosan-containing acrylic fibers
- Patent number 6,524,508
- Issue date Feb 25, 2003
- Mitsubishi Rayon Co., Ltd.
- Hiroaki Ohnishi
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Floppy disk
- Patent number 5,955,169
- Issue date Sep 21, 1999
- Mitsubishi Rayon Co., Ltd.
- Masakazu Hoshino
- G11 - INFORMATION STORAGE
Information Patent Grant
Reversibly color-changing shaped material and process for producing...
- Patent number 5,429,871
- Issue date Jul 4, 1995
- Mitsubishi Rayon Co., Ltd.
- Yuichi Fukui
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Acrylonitrile copolymer, and fiber or core-sheath conjugate fiber p...
- Patent number 5,264,531
- Issue date Nov 23, 1993
- Mitsubishi Rayon Co., Ltd.
- Yuichi Fukui
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Water-repellent hygroscopic fiber
- Patent number 5,260,131
- Issue date Nov 9, 1993
- Mitsubishi Rayon Co., Ltd.
- Yuichi Fukui
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Reversibly color-changing shaped material and process for producing...
- Patent number 5,252,396
- Issue date Oct 12, 1993
- Mitsubishi Rayon Co., Ltd.
- Yuichi Fukui
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Acrylonitrile copolymer, and fiber or core-sheath conjugate fiber p...
- Patent number 5,234,766
- Issue date Aug 10, 1993
- Mitsubishi Rayon Co., Ltd.
- Yuichi Fukui
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Process for preparing acrylonitrile polymer film
- Patent number 5,097,011
- Issue date Mar 17, 1992
- Mitsubishi Rayon Co., Ltd.
- Hiroshi Takahashi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Porous membranes and production processes thereof
- Patent number 4,961,853
- Issue date Oct 9, 1990
- Mitsubishi Rayon Co., Ltd.
- Hajime Itoh
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Porous membrane
- Patent number 4,919,810
- Issue date Apr 24, 1990
- Mitsubishi Rayon Co., Ltd.
- Hajime Itoh
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Hydrophilized porous membrane and production process thereof
- Patent number 4,876,289
- Issue date Oct 24, 1989
- Mitsubishi Rayon Co., Ltd.
- Hajime Itoh
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for producing porous membranes
- Patent number 4,869,857
- Issue date Sep 26, 1989
- Itsubishi Rayon Co., Ltd.
- Hajime Itoh
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of making multilayer composite hollow fibers
- Patent number 4,802,942
- Issue date Feb 7, 1989
- Mitsubishi Rayon Co., Ltd.
- Tohru Takemura
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Hydrophilized porous polyolefin membrane and production process the...
- Patent number 4,717,479
- Issue date Jan 5, 1988
- Mitsubishi Rayon Co., Ltd.
- Hajime Itoh
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Multilayer composite hollow fibers and method of making same
- Patent number 4,713,292
- Issue date Dec 15, 1987
- Mitsubishi Rayon Co., Ltd.
- Tohru Takemura
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Hydrophilized porous membrane and production process thereof
- Patent number 4,695,592
- Issue date Sep 22, 1987
- Mitsubishi Rayon Co., Ltd.
- Hajime Itoh
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Hydrophilized porous polyolefin membrane and production process the...
- Patent number 4,678,813
- Issue date Jul 7, 1987
- Mitsubishi Rayon Co., Ltd.
- Hajime Itoh
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Hajime Itoh

Person

Patents Grantslast 30 patents

Chitosan-containing acrylic fibers and process for preparing the same

Process of making chitosan-containing acrylic fibers

Floppy disk

Reversibly color-changing shaped material and process for producing...

Acrylonitrile copolymer, and fiber or core-sheath conjugate fiber p...

Water-repellent hygroscopic fiber

Reversibly color-changing shaped material and process for producing...

Acrylonitrile copolymer, and fiber or core-sheath conjugate fiber p...

Process for preparing acrylonitrile polymer film

Porous membranes and production processes thereof

Porous membrane

Hydrophilized porous membrane and production process thereof

Process for producing porous membranes

Method of making multilayer composite hollow fibers

Hydrophilized porous polyolefin membrane and production process the...

Multilayer composite hollow fibers and method of making same

Hydrophilized porous membrane and production process thereof

Hydrophilized porous polyolefin membrane and production process the...