Nobukatsu Arai

Person

Ushiku, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Electromagnetic fuel injector and control method thereof
- Patent number 6,615,805
- Issue date Sep 9, 2003
- Hitachi, Ltd.
- Makoto Yamakado
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Electromagnetic fuel injector and control method thereof
- Patent number 6,431,155
- Issue date Aug 13, 2002
- Hitachi, Ltd.
- Makoto Yamakado
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Thermal type air flow measuring instrument for internal combustion...
- Patent number 6,189,379
- Issue date Feb 20, 2001
- Hitachi, Ltd.
- Shinya Igarashi
- G01 - MEASURING TESTING
Information Patent Grant
Electromagnetic fuel injector and control method thereof
- Patent number 6,129,073
- Issue date Oct 10, 2000
- Hitachi, Ltd.
- Makoto Yamakado
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Supercharger for engine
- Patent number 6,082,341
- Issue date Jul 4, 2000
- Hitachi, Ltd.
- Nobukatsu Arai
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Electromagnetic fuel injector and control method thereof
- Patent number 5,992,391
- Issue date Nov 30, 1999
- Hitachi, Ltd.
- Makoto Yamakado
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Thermal type flow meter
- Patent number 5,952,571
- Issue date Sep 14, 1999
- Hitachi, Ltd.
- Nobukatsu Arai
- G01 - MEASURING TESTING
Information Patent Grant
Thermal type air flow measuring instrument for internal combustion...
- Patent number 5,939,628
- Issue date Aug 17, 1999
- Hitachi, Ltd.
- Shinya Igarashi
- G01 - MEASURING TESTING
Information Patent Grant
Air flow measuring apparatus and method thereof
- Patent number 5,832,403
- Issue date Nov 3, 1998
- Hitachi, Ltd.
- Takehiko Kowatari
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Thermal type air flow measuring instrument for internal combustion...
- Patent number 5,789,673
- Issue date Aug 4, 1998
- Hitachi, Ltd.
- Shinya Igarashi
- G01 - MEASURING TESTING
Information Patent Grant
Air flow rate measuring apparatus and air flow rate measuring method
- Patent number 5,750,889
- Issue date May 12, 1998
- Hitachi, Ltd.
- Takehiko Kowatari
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Air flow meter
- Patent number 5,381,691
- Issue date Jan 17, 1995
- Hitachi, Ltd.
- Atsushi Miyazaki
- G01 - MEASURING TESTING
Information Patent Grant
Hot-wire type air flow meter and an internal combustion engine with...
- Patent number RE34403
- Issue date Oct 12, 1993
- Hitachi, Ltd.
- Nobukatsu Arai
- 123 - Internal-combustion engines
Information Patent Grant
Thermo-type air flow meter
- Patent number 5,243,859
- Issue date Sep 14, 1993
- Hitachi, Ltd.
- Chihiro Kobayashi
- G01 - MEASURING TESTING
Information Patent Grant
Hot-electrical-resistance type gas flow meter and internal combusti...
- Patent number 5,231,871
- Issue date Aug 3, 1993
- Hitachi, Ltd.
- Nobukatsu Arai
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Air flow meter for internal combustion engines and a manufacturing...
- Patent number 5,201,216
- Issue date Apr 13, 1993
- Hitachi, Ltd.
- Atsushi Miyazaki
- G01 - MEASURING TESTING
Information Patent Grant
Hot-wire air flow meter and internal combustion engine provided wit...
- Patent number 4,991,560
- Issue date Feb 12, 1991
- Hitachi, Ltd.
- Nobukatsu Arai
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Hot-wire air flow meter
- Patent number 4,986,115
- Issue date Jan 22, 1991
- Hitachi, Ltd.
- Yoshihito Sekine
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Hot wire type of air flow meter and internal combustion engine usin...
- Patent number 4,974,445
- Issue date Dec 4, 1990
- Hitachi, Ltd.
- Nobukatsu Arai
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Hot-wire type air flow meter and an internal combustion engine with...
- Patent number 4,887,577
- Issue date Dec 19, 1989
- Hitachi, Ltd.
- Nobukatsu Arai
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Turbo molecular pump
- Patent number 4,735,550
- Issue date Apr 5, 1988
- Hitachi, Ltd.
- Takeshi Okawada
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Balancing weight device for scroll-type fluid machine
- Patent number 4,522,574
- Issue date Jun 11, 1985
- Hitachi, Ltd.
- Nobukatsu Arai
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Device for pressing orbiting scroll member in scroll type fluid mac...
- Patent number 4,496,296
- Issue date Jan 29, 1985
- Hitachi, Ltd.
- Nobukatsu Arai
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Rankine-cycle-engine-driven cooling-and-heating system
- Patent number 4,326,391
- Issue date Apr 27, 1982
- Hitachi, Ltd.
- Eiji Sato
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Scroll compressor with means for end plate bias and cooled gas retu...
- Patent number 4,216,661
- Issue date Aug 12, 1980
- Hitachi, Ltd.
- Kenji Tojo
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Apparatus for manufacturing heat transfer tubes
- Patent number 4,175,416
- Issue date Nov 27, 1979
- Hitachi, Ltd.
- Toshihiko Fukushima
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Heat exchanging wall and method for the production thereof
- Patent number 4,168,743
- Issue date Sep 25, 1979
- Hitachi, Ltd.
- Nobukatsu Arai
- F28 - HEAT EXCHANGE IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Electromagnetic fuel injector and control method thereof
- Publication number 20020166541
- Publication date Nov 14, 2002
- Makoto Yamakado
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Nobukatsu Arai

Person

Patents Grantslast 30 patents

Electromagnetic fuel injector and control method thereof

Electromagnetic fuel injector and control method thereof

Thermal type air flow measuring instrument for internal combustion...

Electromagnetic fuel injector and control method thereof

Supercharger for engine

Electromagnetic fuel injector and control method thereof

Thermal type flow meter

Thermal type air flow measuring instrument for internal combustion...

Air flow measuring apparatus and method thereof

Thermal type air flow measuring instrument for internal combustion...

Air flow rate measuring apparatus and air flow rate measuring method

Air flow meter

Hot-wire type air flow meter and an internal combustion engine with...

Thermo-type air flow meter

Hot-electrical-resistance type gas flow meter and internal combusti...

Air flow meter for internal combustion engines and a manufacturing...

Hot-wire air flow meter and internal combustion engine provided wit...

Hot-wire air flow meter

Hot wire type of air flow meter and internal combustion engine usin...

Hot-wire type air flow meter and an internal combustion engine with...

Turbo molecular pump

Balancing weight device for scroll-type fluid machine

Device for pressing orbiting scroll member in scroll type fluid mac...

Rankine-cycle-engine-driven cooling-and-heating system

Scroll compressor with means for end plate bias and cooled gas retu...

Apparatus for manufacturing heat transfer tubes

Heat exchanging wall and method for the production thereof

Patents Applicationslast 30 patents

Electromagnetic fuel injector and control method thereof