Ryo Hiraga

Person

Hitachiota, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Gas turbine for power generation
- Patent number 6,574,966
- Issue date Jun 10, 2003
- Hitachi, Ltd.
- Kishio Hidaka
- C21 - METALLURGY OF IRON
Information Patent Grant
Gas turbine for power generation, and combined power generation system
- Patent number 6,546,713
- Issue date Apr 15, 2003
- Hitachi, Ltd.
- Kishio Hidaka
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Steam turbine rotor shaft
- Patent number 6,419,453
- Issue date Jul 16, 2002
- Hitachi, Ltd.
- Yutaka Fukui
- C21 - METALLURGY OF IRON
Information Patent Grant
Vacuum circuit breaker, and vacuum bulb and vacuum bulb electrode u...
- Patent number 6,248,969
- Issue date Jun 19, 2001
- Hitachi, Ltd.
- Katsuhiro Komuro
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High and low pressure sides-integrating system turbine, long blades...
- Patent number 6,182,439
- Issue date Feb 6, 2001
- Hitachi, Ltd.
- Masao Siga
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Steam-turbine power plant and steam turbine
- Patent number 6,174,132
- Issue date Jan 16, 2001
- Hitachi, Ltd.
- Masao Shiga
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Steam-turbine power plant and steam turbine
- Patent number 6,123,504
- Issue date Sep 26, 2000
- Hitachi, Ltd.
- Masao Shiga
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
High and low pressure sides-integrating steam turbine, long blades...
- Patent number 6,074,169
- Issue date Jun 13, 2000
- Hitachi, Ltd.
- Masao Siga
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Gas turbine combustor and gas turbine
- Patent number 5,964,091
- Issue date Oct 12, 1999
- Hitachi, Ltd.
- Yutaka Fukui
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
High strength heat resisting cast steel, steam turbine casing, stea...
- Patent number 5,961,284
- Issue date Oct 5, 1999
- Hitachi, Ltd.
- Mitsuo Kuriyama
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Electron microscope
- Patent number 5,898,177
- Issue date Apr 27, 1999
- Hitachi, Ltd.
- Kishio Hidaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Steam-turbine power plant and steam turbine
- Patent number 5,749,228
- Issue date May 12, 1998
- Hitachi, Ltd.
- Masao Shiga
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Heat resistant steel and gas turbine components composed of the same
- Patent number 5,008,072
- Issue date Apr 16, 1991
- Hitachi, Ltd.
- Masao Siga
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Thermosetting resin and prepreg and laminate using the same
- Patent number 4,933,228
- Issue date Jun 12, 1990
- Hitachi, Ltd.
- Junichi Katagiri
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Corrosion-resistant aluminum electronic material
- Patent number 4,912,544
- Issue date Mar 27, 1990
- Hitachi, Ltd.
- Jin Onuki
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Thermosetting resin and prepreg and laminate using the same
- Patent number 4,886,858
- Issue date Dec 12, 1989
- Hitachi, Ltd.
- Junichi Katagiri
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Gas turbine having components composed of heat resistant steel
- Patent number 4,850,187
- Issue date Jul 25, 1989
- Hitachi, Ltd.
- Masao Siga
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
Gas turbine for power generation and combined power generation system
- Publication number 20020189229
- Publication date Dec 19, 2002
- Kishio Hidaka
- C21 - METALLURGY OF IRON
Information Patent Application
Steam turbine rotor shaft
- Publication number 20010041137
- Publication date Nov 15, 2001
- Yutaka Fukui
- C21 - METALLURGY OF IRON

Person

Patents Grantslast 30 patents

Gas turbine for power generation

Gas turbine for power generation, and combined power generation system

Steam turbine rotor shaft

Vacuum circuit breaker, and vacuum bulb and vacuum bulb electrode u...

High and low pressure sides-integrating system turbine, long blades...

Steam-turbine power plant and steam turbine

Steam-turbine power plant and steam turbine

High and low pressure sides-integrating steam turbine, long blades...

Gas turbine combustor and gas turbine

High strength heat resisting cast steel, steam turbine casing, stea...

Electron microscope

Steam-turbine power plant and steam turbine

Heat resistant steel and gas turbine components composed of the same

Thermosetting resin and prepreg and laminate using the same

Corrosion-resistant aluminum electronic material

Thermosetting resin and prepreg and laminate using the same

Gas turbine having components composed of heat resistant steel

Patents Applicationslast 30 patents

Gas turbine for power generation and combined power generation system

Steam turbine rotor shaft