Yoshitaka Yamakawa

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Polyarylene block copolymer having sulfonic acid group and use thereof
- Patent number 8,729,219
- Issue date May 20, 2014
- JSR Corporation
- Yoshitaka Yamakawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aromatic compound and sulfonated polyarylene polymer
- Patent number 8,431,676
- Issue date Apr 30, 2013
- JSR Corporation
- Yoshitaka Yamakawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Varnish for a solid polymer fuel cell
- Patent number 8,399,148
- Issue date Mar 19, 2013
- JSR Corporation
- Makoto Higami
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Electrode electrolyte for polymer-type fuel cell, and use thereof
- Patent number 8,349,994
- Issue date Jan 8, 2013
- JSR Corporation
- Toshiaki Kadota
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aromatic compound and polyarylene copolymer having nitrogen-contain...
- Patent number 8,309,678
- Issue date Nov 13, 2012
- JSR Corporation
- Toshiaki Kadota
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyphenylene-containing electrode paste
- Patent number 8,043,762
- Issue date Oct 25, 2011
- JSR Corporation
- Makoto Higami
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Nitrogenated aromatic compound, process for production of the same,...
- Patent number 7,906,608
- Issue date Mar 15, 2011
- JSR Corporation
- Makoto Higami
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polyarylene, process for producing the same, solid polyelectrolyte,...
- Patent number 7,893,303
- Issue date Feb 22, 2011
- JSR Corporation
- Yoshitaka Yamakawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Solid polymer electrolyte, proton conductive membrane, electrode el...
- Patent number 7,651,802
- Issue date Jan 26, 2010
- JSR Corporation
- Yoshitaka Yamakawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aromatic sulfonic acid ester derivative, polyarylene, polyarylene h...
- Patent number 7,163,988
- Issue date Jan 16, 2007
- JSR Corporation
- Igor Rozhanskii
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Sulfonated polymer having nitrile-containing hydrophobic block and...
- Patent number 7,115,699
- Issue date Oct 3, 2006
- JSR Corporation
- Yoshitaka Yamakawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Halogenated aromatic compound, (co)polymer thereof, and proton-cond...
- Patent number 6,833,426
- Issue date Dec 21, 2004
- JSR Corporation
- Yoshitaka Yamakawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Halogenated aromatic compound, polymer thereof, and proton-conducti...
- Patent number 6,825,310
- Issue date Nov 30, 2004
- JSR Corporation
- Kohei Goto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyarylene copolymers and proton-conductive membrane
- Patent number 6,812,290
- Issue date Nov 2, 2004
- JSR Corporation
- Kohei Goto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Monomer containing electron-withdrawing group and electron-donative...
- Patent number 6,794,480
- Issue date Sep 21, 2004
- JSR Corporation
- Kohei Goto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyarylene copolymers and proton-conductive membrane
- Patent number 6,555,626
- Issue date Apr 29, 2003
- JSR Corporation
- Kohei Goto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing a diolefin polymer or copolymer and a rubber...
- Patent number 5,527,860
- Issue date Jun 18, 1996
- Japan Synthetic Rubber Co., Ltd.
- Yoshitaka Yamakawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
AROMATIC COPOLYMER HAVING PROTON CONDUCTIVE GROUP AND USES THEREOF
- Publication number 20140154610
- Publication date Jun 5, 2014
- JSR CORPORATION
- Takuya Murakami
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POLYARYLENE BLOCK COPOLYMER HAVING SULFONIC ACID GROUP AND USE THEREOF
- Publication number 20130085236
- Publication date Apr 4, 2013
- JSR CORPORATION
- Yoshitaka Yamakawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POLYARYLENE BLOCK COPOLYMER HAVING SULFONIC ACID GROUP AND USE THEREOF
- Publication number 20120052412
- Publication date Mar 1, 2012
- Honda Motor Co., Ltd.
- Yoshitaka YAMAKAWA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
ELECTRODE ELECTROLYTE FOR SOLID POLYMER-TYPE FUEL CELL
- Publication number 20120040271
- Publication date Feb 16, 2012
- Honda Motor Co., Ltd.
- Makoto Higami
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
AROMATIC COMPOUND AND SULFONATED POLYARYLENE POLYMER
- Publication number 20100174042
- Publication date Jul 8, 2010
- JSR Corporation
- Yoshitaka Yamakawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
ELECTRODE ELECTROLYTE FOR POLYMER-TYPE FUEL CELL, AND USE THEREOF
- Publication number 20100167161
- Publication date Jul 1, 2010
- Toshiaki Kadota
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
NOVEL AROMATIC COMPOUND AND POLYARYLENE COPOLYMER HAVING NITROGEN-C...
- Publication number 20100152308
- Publication date Jun 17, 2010
- JSR Corporation
- Toshiaki Kadota
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
NITROGENATED AROMATIC COMPOUND, PROCESS FOR PRODUCTION OF THE SAME,...
- Publication number 20090149623
- Publication date Jun 11, 2009
- JSR CORPORATION
- Makoto Higami
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
AROMATIC COMPOUND HAVING FLUORENE SKELETON AND POLYARYLENE HAVING S...
- Publication number 20090149625
- Publication date Jun 11, 2009
- JSR Corporation
- Yoshitaka Yamakawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
ELECTRODE ELECTROLYTE FOR USE IN SOLID POLYMER FUEL CELL
- Publication number 20090130526
- Publication date May 21, 2009
- JSR Corporation
- Makoto Higami
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Polyarylene, Process For Producing The Same, Solid Polyelectrolyte,...
- Publication number 20080015389
- Publication date Jan 17, 2008
- JSR CORPORATION
- Yoshitaka Yamakawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Solid polymer electrolyte, proton conductive membrane, electrode el...
- Publication number 20060216566
- Publication date Sep 28, 2006
- JSR CORPORATION
- Yoshitaka Yamakawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Sulfonated polymer having nitrile-containing hydrophobic block and...
- Publication number 20050080220
- Publication date Apr 14, 2005
- JSR Corporation
- Yoshitaka Yamakawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Novel aromatic sulfonic acid ester derivative, polyarylene, polyary...
- Publication number 20040044166
- Publication date Mar 4, 2004
- JSR Corporation
- Igor Rozhanskii
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Polyarylene copolymers and proton-conductive membrane
- Publication number 20030195301
- Publication date Oct 16, 2003
- JSR Corporation
- Kohei Goto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Halogenated aromatic compound, (co)polymer thereof, and proton-cond...
- Publication number 20030173547
- Publication date Sep 18, 2003
- JSR Corporation
- Yoshitaka Yamakawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Halogenated aromatic compound, polymer thereof, and proton-conducti...
- Publication number 20020188097
- Publication date Dec 12, 2002
- JSR Corporation
- Kohei Goto
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Monomer containing electron-withdrawing group and electron-donative...
- Publication number 20020177656
- Publication date Nov 28, 2002
- JSR Corporation
- Kohei Goto
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Polyarylene copolymers and proton-conductive membrane
- Publication number 20010037000
- Publication date Nov 1, 2001
- JSR Corporation
- Kohei Goto
- C07 - ORGANIC CHEMISTRY

Yoshitaka Yamakawa

Person

Patents Grantslast 30 patents

Polyarylene block copolymer having sulfonic acid group and use thereof

Aromatic compound and sulfonated polyarylene polymer

Varnish for a solid polymer fuel cell

Electrode electrolyte for polymer-type fuel cell, and use thereof

Aromatic compound and polyarylene copolymer having nitrogen-contain...

Polyphenylene-containing electrode paste

Nitrogenated aromatic compound, process for production of the same,...

Polyarylene, process for producing the same, solid polyelectrolyte,...

Solid polymer electrolyte, proton conductive membrane, electrode el...

Aromatic sulfonic acid ester derivative, polyarylene, polyarylene h...

Sulfonated polymer having nitrile-containing hydrophobic block and...

Halogenated aromatic compound, (co)polymer thereof, and proton-cond...

Halogenated aromatic compound, polymer thereof, and proton-conducti...

Polyarylene copolymers and proton-conductive membrane

Monomer containing electron-withdrawing group and electron-donative...

Polyarylene copolymers and proton-conductive membrane

Process for producing a diolefin polymer or copolymer and a rubber...

Patents Applicationslast 30 patents

AROMATIC COPOLYMER HAVING PROTON CONDUCTIVE GROUP AND USES THEREOF

POLYARYLENE BLOCK COPOLYMER HAVING SULFONIC ACID GROUP AND USE THEREOF

POLYARYLENE BLOCK COPOLYMER HAVING SULFONIC ACID GROUP AND USE THEREOF

ELECTRODE ELECTROLYTE FOR SOLID POLYMER-TYPE FUEL CELL

AROMATIC COMPOUND AND SULFONATED POLYARYLENE POLYMER

ELECTRODE ELECTROLYTE FOR POLYMER-TYPE FUEL CELL, AND USE THEREOF

NOVEL AROMATIC COMPOUND AND POLYARYLENE COPOLYMER HAVING NITROGEN-C...

NITROGENATED AROMATIC COMPOUND, PROCESS FOR PRODUCTION OF THE SAME,...

AROMATIC COMPOUND HAVING FLUORENE SKELETON AND POLYARYLENE HAVING S...

ELECTRODE ELECTROLYTE FOR USE IN SOLID POLYMER FUEL CELL

Polyarylene, Process For Producing The Same, Solid Polyelectrolyte,...

Solid polymer electrolyte, proton conductive membrane, electrode el...

Sulfonated polymer having nitrile-containing hydrophobic block and...

Novel aromatic sulfonic acid ester derivative, polyarylene, polyary...

Polyarylene copolymers and proton-conductive membrane

Halogenated aromatic compound, (co)polymer thereof, and proton-cond...

Halogenated aromatic compound, polymer thereof, and proton-conducti...

Monomer containing electron-withdrawing group and electron-donative...

Polyarylene copolymers and proton-conductive membrane