Mizuho Yokoyama

Person

Hitachinaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Fuel injection valve
- Patent number 7,021,569
- Issue date Apr 4, 2006
- Hitachi, Ltd.
- Kiyotaka Ogura
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Fuel injector, nozzle body, and manufacturing method of cylindrical...
- Patent number 6,976,381
- Issue date Dec 20, 2005
- Hitachi, Ltd.
- Atsushi Koshizaka
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Electronic fuel injector
- Patent number 6,918,548
- Issue date Jul 19, 2005
- Hitachi, Ltd.
- Katsuyoshi Terakado
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
High-frequency communication apparatus and method of manufacturing...
- Patent number 6,710,745
- Issue date Mar 23, 2004
- Hitachi, Ltd.
- Atsushi Koshizaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High-frequency communication apparatus and method of manufacturing...
- Patent number 6,580,395
- Issue date Jun 17, 2003
- Hitachi, Ltd.
- Atsushi Koshizaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electromagnetic fuel injection valve
- Patent number 5,346,137
- Issue date Sep 13, 1994
- Hitachi, Ltd.
- Yoshio Okamoto
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Method of producing nozzle for solenoid valve
- Patent number 5,239,751
- Issue date Aug 31, 1993
- Hitachi, Ltd.
- Hisanobu Kanamaru
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electromagnetic type fuel injection valve
- Patent number 5,156,341
- Issue date Oct 20, 1992
- Hitachi, Ltd.
- Katsuyoshi Terakado
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Method for concentrically assembling a pair of cylindrical members...
- Patent number 5,127,156
- Issue date Jul 7, 1992
- Hitachi, Ltd.
- Mizuho Yokoyama
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Fuel injector device and method of producing the same
- Patent number 5,109,823
- Issue date May 5, 1992
- Hitachi, Ltd.
- Mizuho Yokoyama
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Electromagnetic fuel injection and method of producing the same
- Patent number 5,040,731
- Issue date Aug 20, 1991
- Hitachi, Ltd.
- Mizuho Yokoyama
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Electromagnetic fuel injector
- Patent number 5,012,982
- Issue date May 7, 1991
- Hitachi, Ltd.
- Masahiro Souma
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Method of producing an electromagnetic fuel injector
- Patent number 4,974,312
- Issue date Dec 4, 1990
- Hitachi, Ltd.
- Mizuho Yokoyama
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Heat exchanger
- Patent number 4,756,362
- Issue date Jul 12, 1988
- Hitachi, Ltd.
- Mituo Kudoh
- F28 - HEAT EXCHANGE IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
High-frequency communication apparatus and method of manufacturing...
- Publication number 20030122727
- Publication date Jul 3, 2003
- Hitachi, Ltd
- Atsushi Koshizaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Fuel injector, nozzle body, and manufacturing method of cylindrical...
- Publication number 20030071147
- Publication date Apr 17, 2003
- Atsushi Koshizaka
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Electronic fuel injector
- Publication number 20030025003
- Publication date Feb 6, 2003
- Katsuyoshi Terakado
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
High-frequency communication apparatus and method of manufacturing...
- Publication number 20010050644
- Publication date Dec 13, 2001
- Hitachi, Ltd.
- Atsushi Koshizaka
- H01 - BASIC ELECTRIC ELEMENTS

Mizuho Yokoyama

Person

Patents Grantslast 30 patents

Fuel injection valve

Fuel injector, nozzle body, and manufacturing method of cylindrical...

Electronic fuel injector

High-frequency communication apparatus and method of manufacturing...

High-frequency communication apparatus and method of manufacturing...

Electromagnetic fuel injection valve

Method of producing nozzle for solenoid valve

Electromagnetic type fuel injection valve

Method for concentrically assembling a pair of cylindrical members...

Fuel injector device and method of producing the same

Electromagnetic fuel injection and method of producing the same

Electromagnetic fuel injector

Method of producing an electromagnetic fuel injector

Heat exchanger

Patents Applicationslast 30 patents

High-frequency communication apparatus and method of manufacturing...

Fuel injector, nozzle body, and manufacturing method of cylindrical...

Electronic fuel injector

High-frequency communication apparatus and method of manufacturing...