Toru Koyama

Person

Hitachi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Fuel cell, fuel cell power source system and electronic devices usi...
- Patent number 7,803,496
- Issue date Sep 28, 2010
- Hitachi, Ltd.
- Toru Koyama
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Solid polymer electrolyte, a membrane using thereof, a solution for...
- Patent number 7,560,185
- Issue date Jul 14, 2009
- Hitachi, Ltd.
- Toru Koyama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Solid polymer electrolyte, a membrane using thereof, a solution for...
- Patent number 7,553,574
- Issue date Jun 30, 2009
- Hitachi, Ltd.
- Toru Koyama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Solid polymer electrolyte, a membrane using thereof, a solution for...
- Patent number 6,964,823
- Issue date Nov 15, 2005
- Hitachi, Ltd.
- Toru Koyama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Solid polymer electrolyte, a membrane using thereof, a solution for...
- Patent number 6,670,065
- Issue date Dec 30, 2003
- Hitachi, Ltd.
- Toru Koyama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Coil impregnant of epoxy resin from polyhydric phenol mixture
- Patent number 5,656,350
- Issue date Aug 12, 1997
- Hitachi, Ltd.
- Toru Koyama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Superconducting magnet superconducting magnet coil, and manufacturi...
- Patent number 5,606,300
- Issue date Feb 25, 1997
- Hitachi, Ltd.
- Toru Koyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for producing a superconducting magnet coil
- Patent number 5,538,942
- Issue date Jul 23, 1996
- Hitachi, Ltd.
- Toru Koyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrically insulated coils and a method of manufacturing thereof
- Patent number 5,416,373
- Issue date May 16, 1995
- Hitachi, Ltd.
- Syoichi Maruyama
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Epoxy resin composition for insulating a coil, and a coil molded fr...
- Patent number 5,393,805
- Issue date Feb 28, 1995
- Hitachi, Ltd.
- Toru Koyama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Superconducting magnet coil and curable resin composition used therein
- Patent number 5,384,197
- Issue date Jan 24, 1995
- Hitachi, Ltd.
- Toru Koyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Polymer from nitrile terminated compounds having Schiff bonds and p...
- Patent number 4,900,807
- Issue date Feb 13, 1990
- Hitachi, Ltd.
- Akio Nishikawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Thermosetting resin composition and prepolymer obtained therefrom
- Patent number 4,752,641
- Issue date Jun 21, 1988
- Hitachi, Ltd.
- Toru Koyama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing electric windings
- Patent number 4,222,802
- Issue date Sep 16, 1980
- Hitachi, Ltd.
- Masahiko Sakai
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Hydrocarbon type polymer electrolyte, membrane/electrode assembly,...
- Publication number 20080032173
- Publication date Feb 7, 2008
- Toru Koyama
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
ELECTROLYTE, ELECTROLYTE MEMBRANE, MEMBRANE/ELECTRODE ASSEMBLY AND...
- Publication number 20070238000
- Publication date Oct 11, 2007
- Toru Koyama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
CARBON SUPPORT FOR FUEL CELL, ELECTRODE MATERIAL FOR FUEL CELL, MEM...
- Publication number 20070238001
- Publication date Oct 11, 2007
- TORU KOYAMA
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Film electrode junction for fuel cell and fuel cell
- Publication number 20070128489
- Publication date Jun 7, 2007
- Toru Koyama
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Fuel cell and electronic equipment with the same
- Publication number 20070072058
- Publication date Mar 29, 2007
- Toru Koyama
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Fuel cell, fuel cell power source system and electronic devices usi...
- Publication number 20070037040
- Publication date Feb 15, 2007
- Toru Koyama
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Solid polymer electrolyte, a membrane using thereof, a solution for...
- Publication number 20060292417
- Publication date Dec 28, 2006
- Toru Koyama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Fuel cell power system and operating method thereof
- Publication number 20060177708
- Publication date Aug 10, 2006
- Toru Koyama
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Solid polymer electrolyte, a membrane using thereof, a solution for...
- Publication number 20050271922
- Publication date Dec 8, 2005
- Toru Koyama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Solid polymer electrolyte, a membrane using thereof, a solution for...
- Publication number 20040033407
- Publication date Feb 19, 2004
- Toru Koyama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Solid polymer electrolyte, a membrane using thereof, a solution for...
- Publication number 20020061431
- Publication date May 23, 2002
- Toru Koyama
- H01 - BASIC ELECTRIC ELEMENTS

Toru Koyama

Person

Patents Grantslast 30 patents

Fuel cell, fuel cell power source system and electronic devices usi...

Solid polymer electrolyte, a membrane using thereof, a solution for...

Solid polymer electrolyte, a membrane using thereof, a solution for...

Solid polymer electrolyte, a membrane using thereof, a solution for...

Solid polymer electrolyte, a membrane using thereof, a solution for...

Coil impregnant of epoxy resin from polyhydric phenol mixture

Superconducting magnet superconducting magnet coil, and manufacturi...

Method for producing a superconducting magnet coil

Electrically insulated coils and a method of manufacturing thereof

Epoxy resin composition for insulating a coil, and a coil molded fr...

Superconducting magnet coil and curable resin composition used therein

Polymer from nitrile terminated compounds having Schiff bonds and p...

Thermosetting resin composition and prepolymer obtained therefrom

Process for producing electric windings

Patents Applicationslast 30 patents

Hydrocarbon type polymer electrolyte, membrane/electrode assembly,...

ELECTROLYTE, ELECTROLYTE MEMBRANE, MEMBRANE/ELECTRODE ASSEMBLY AND...

CARBON SUPPORT FOR FUEL CELL, ELECTRODE MATERIAL FOR FUEL CELL, MEM...

Film electrode junction for fuel cell and fuel cell

Fuel cell and electronic equipment with the same

Fuel cell, fuel cell power source system and electronic devices usi...

Solid polymer electrolyte, a membrane using thereof, a solution for...

Fuel cell power system and operating method thereof

Solid polymer electrolyte, a membrane using thereof, a solution for...

Solid polymer electrolyte, a membrane using thereof, a solution for...

Solid polymer electrolyte, a membrane using thereof, a solution for...