Tooru Kitagawa

Person

Ohtsu, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Separation membrane, separation membrane element and separation mem...
- Patent number 10,814,289
- Issue date Oct 27, 2020
- TOYOBO CO., LTD.
- Takahito Nakao
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Porous polymer flat-sheet membrane
- Patent number 9,550,153
- Issue date Jan 24, 2017
- Toyobo Co., Ltd.
- Junsuke Morita
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Polyimide nonwoven fabric and process for production thereof
- Patent number 9,394,638
- Issue date Jul 19, 2016
- Toyo Boseki Kabushiki Kaisha
- Masahiko Nakamori
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information Patent Grant
Reverse osmosis membrane for wastewater treatment
- Patent number 9,211,509
- Issue date Dec 15, 2015
- Toyobo Co., Ltd.
- Masao Higashi
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Polybenzazole fiber and pyridobisimidazole fiber
- Patent number 8,580,380
- Issue date Nov 12, 2013
- Toyo Boseki Kabushiki Kaisha
- Tooru Kitagawa
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Process for producing polyester, polyester produced using said proc...
- Patent number 7,868,126
- Issue date Jan 11, 2011
- Toyo Boseki Kabushiki Kaisha
- Katsuhiko Kageyama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
High strength polyethylene fiber
- Patent number 7,811,673
- Issue date Oct 12, 2010
- Toyo Boseki Kabushiki Kaisha
- Godo Sakamoto
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Composite ion-exchange membrane
- Patent number 7,649,025
- Issue date Jan 19, 2010
- Toyo Boseki Kabushiki Kaisha
- Kota Kitamura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
High strength polyethylene fiber
- Patent number 7,141,301
- Issue date Nov 28, 2006
- Toyo Boseki Kabushiki Kaisha
- Godo Sakamoto
- D07 - ROPES CABLES OTHER THAN ELECTRIC
Information Patent Grant
High strength polyethylene fiber
- Patent number 6,899,950
- Issue date May 31, 2005
- Toyo Boseki Kabushiki Kaisha
- Godo Sakamoto
- D07 - ROPES CABLES OTHER THAN ELECTRIC
Information Patent Grant
Polybenzazole fiber
- Patent number 6,884,506
- Issue date Apr 26, 2005
- Toyo Boseki Kabushiki Kaisha
- Tooru Kitagawa
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Polybenzazole fibers and their utilization
- Patent number 6,673,445
- Issue date Jan 6, 2004
- Toyo Boseki Kabushiki Kaisha
- Tooru Kitagawa
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Polybenzazole fiber having high tensile modulus and process of manu...
- Patent number 6,040,050
- Issue date Mar 21, 2000
- Toyo Boseki Kabushiki Kaisha
- Tooru Kitagawa
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Polybenzazole fiber and method for production thereof
- Patent number 5,993,963
- Issue date Nov 30, 1999
- Toyo Boseki Kabushiki Kaisha
- Yoshihiko Teramoto
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Processes for producing polybenzazole fibers
- Patent number 5,772,942
- Issue date Jun 30, 1998
- Toyo Boseki Kabushiki Kaisha
- Yoshihiko Teramoto
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Method for rapid drying of a polybenzazole fiber
- Patent number 5,429,787
- Issue date Jul 4, 1995
- The Dow Chemical Company
- Jang-hi Im
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Process for producing polyester fibers
- Patent number 5,171,506
- Issue date Dec 15, 1992
- Toyo Boseki Kabushiki Kaisha
- Mitsuhiro Sakuda
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING

Patents Applicationslast 30 patents

Information Patent Application
SEPARATION MEMBRANE, SEPARATION MEMBRANE ELEMENT AND SEPARATION MEM...
- Publication number 20170296985
- Publication date Oct 19, 2017
- TOYOBO CO., LTD.
- Takahito Nakao
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
POROUS POLYMER FLAT-SHEET MEMBRANE
- Publication number 20150328591
- Publication date Nov 19, 2015
- TOYOBO CO., LTD.
- Junsuke Morita
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
COMPOSITE SEPARATION MEMBRANE
- Publication number 20150314245
- Publication date Nov 5, 2015
- TOYOBO CO., LTD.
- Takahito Nakao
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
REVERSE OSMOSIS MEMBRANE FOR WASTEWATER TREATMENT
- Publication number 20150136692
- Publication date May 21, 2015
- TOYOBO CO., LTD.
- Masao Higashi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
POLYBENZAZOLE FIBER AND PYRIDOBISIMIDAZOLE FIBER
- Publication number 20100233451
- Publication date Sep 16, 2010
- Toyo Boseki Kabushiki Kaisha
- Tooru Kitagawa
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
POLYIMIDE NONWOVEN FABRIC AND PROCESS FOR PRODUCTION THEREOF
- Publication number 20100178830
- Publication date Jul 15, 2010
- Toyo Boseki Kabushiki Kaisha
- Masahiko Nakamori
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
Process for Producing Polyester, Polyester Produced Using Said Proc...
- Publication number 20080249280
- Publication date Oct 9, 2008
- TOYO BOSEKI KABUSHIKI KAISHA
- Katsuhiko Kageyama
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
High strength polyethylene fiber
- Publication number 20070148452
- Publication date Jun 28, 2007
- Godo Sakamoto
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
Composite ion-exchange membrane
- Publication number 20060241192
- Publication date Oct 26, 2006
- Kota Kitamura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
High strength polyethylene fiber
- Publication number 20050238875
- Publication date Oct 27, 2005
- Toyo Boseki Kabushiki Kaisha
- Godo Sakamoto
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
Polybenzazole fiber
- Publication number 20050045545
- Publication date Mar 3, 2005
- Tooru Kitagawa
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
High strength polyethylene fiber
- Publication number 20040062926
- Publication date Apr 1, 2004
- Godo Sakamoto
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
Polybenzazol fiber and use of the same
- Publication number 20030152769
- Publication date Aug 14, 2003
- Tooru Kitagawa
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING

Tooru Kitagawa

Person

Patents Grantslast 30 patents

Separation membrane, separation membrane element and separation mem...

Porous polymer flat-sheet membrane

Polyimide nonwoven fabric and process for production thereof

Reverse osmosis membrane for wastewater treatment

Polybenzazole fiber and pyridobisimidazole fiber

Process for producing polyester, polyester produced using said proc...

High strength polyethylene fiber

Composite ion-exchange membrane

High strength polyethylene fiber

High strength polyethylene fiber

Polybenzazole fiber

Polybenzazole fibers and their utilization

Polybenzazole fiber having high tensile modulus and process of manu...

Polybenzazole fiber and method for production thereof

Processes for producing polybenzazole fibers

Method for rapid drying of a polybenzazole fiber

Process for producing polyester fibers

Patents Applicationslast 30 patents

SEPARATION MEMBRANE, SEPARATION MEMBRANE ELEMENT AND SEPARATION MEM...

POROUS POLYMER FLAT-SHEET MEMBRANE

COMPOSITE SEPARATION MEMBRANE

REVERSE OSMOSIS MEMBRANE FOR WASTEWATER TREATMENT

POLYBENZAZOLE FIBER AND PYRIDOBISIMIDAZOLE FIBER

POLYIMIDE NONWOVEN FABRIC AND PROCESS FOR PRODUCTION THEREOF

Process for Producing Polyester, Polyester Produced Using Said Proc...

High strength polyethylene fiber

Composite ion-exchange membrane

High strength polyethylene fiber

Polybenzazole fiber

High strength polyethylene fiber

Polybenzazol fiber and use of the same