Toshifumi Usui

Person

Hitachinaka-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Non-contact rotational position sensor and throttle valve assembly...
- Patent number RE40523
- Issue date Sep 30, 2008
- Hitachi, Ltd.
- Kenji Miyata
- 324 - Electricity: measuring and testing
Information Patent Grant
Throttle valve control apparatus of internal combustion engine and...
- Patent number 7,367,315
- Issue date May 6, 2008
- Hitachi, Ltd.
- Eisuke Wayama
- G01 - MEASURING TESTING
Information Patent Grant
Throttle apparatus for an internal combustion engine
- Patent number 7,231,903
- Issue date Jun 19, 2007
- Hitachi, Ltd.
- Eisuke Wayama
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Throttle valve control apparatus of internal combustion engine and...
- Patent number 7,152,581
- Issue date Dec 26, 2006
- Hitachi, Ltd.
- Eisuke Wayama
- G01 - MEASURING TESTING
Information Patent Grant
Throttle device for internal-combustion engine
- Patent number 7,121,259
- Issue date Oct 17, 2006
- Hitachi, Ltd.
- Eisuke Wayama
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Throttle valve control apparatus of internal combustion engine and...
- Patent number 7,093,581
- Issue date Aug 22, 2006
- Hitachi, Ltd.
- Eisuke Wayama
- G01 - MEASURING TESTING
Information Patent Grant
Throttle assembly for internal combustion engine, and throttle sensor
- Patent number 7,055,498
- Issue date Jun 6, 2006
- Hitachi, Ltd.
- Yoshikatsu Hashimoto
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Throttle device for internal-combustion engine
- Patent number 6,966,297
- Issue date Nov 22, 2005
- Hitachi, Ltd.
- Eisuke Wayama
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Throttle device for internal-combustion engine
- Patent number 6,945,228
- Issue date Sep 20, 2005
- Hitachi, Ltd.
- Yasuo Saito
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Throttle valve control apparatus of internal combustion engine and...
- Patent number 6,701,892
- Issue date Mar 9, 2004
- Hitachi, Ltd.
- Eisuke Wayama
- G01 - MEASURING TESTING
Information Patent Grant
Throttle apparatus for an internal combustion engine
- Patent number 6,694,947
- Issue date Feb 24, 2004
- Hitachi, Ltd.
- Eisuke Wayama
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Throttle assembly for internal combustion engine, and throttle sensor
- Patent number 6,691,678
- Issue date Feb 17, 2004
- Hitachi, Ltd.
- Yoshikatsu Hashimoto
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Throttle apparatus for an internal combustion engine
- Patent number 6,691,681
- Issue date Feb 17, 2004
- Hitachi, Ltd.
- Eisuke Wayama
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Electric-control-type throttle apparatus
- Patent number 6,684,850
- Issue date Feb 3, 2004
- Hitachi, Ltd.
- Takehiko Kowatari
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Throttle device of internal combustion engine
- Patent number 6,626,143
- Issue date Sep 30, 2003
- Hitachi, Ltd.
- Eisuke Wayama
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Throttle device for internal-combustion engine
- Patent number 6,591,809
- Issue date Jul 15, 2003
- Hitachi, Ltd.
- Yasuo Saito
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Non-contact rotational position sensor and throttle valve assembly...
- Patent number 6,559,637
- Issue date May 6, 2003
- Hitachi, Ltd.
- Kenji Miyata
- G01 - MEASURING TESTING
Information Patent Grant
Electric-control-type throttle apparatus
- Patent number 6,543,416
- Issue date Apr 8, 2003
- Hitachi, Ltd.
- Takehiko Kowatari
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Throttle device for internal-combustion engine
- Patent number 6,488,010
- Issue date Dec 3, 2002
- Hitachi, Ltd.
- Yasuo Saito
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Throttle apparatus for an internal combustion engine
- Patent number 6,418,908
- Issue date Jul 16, 2002
- Hitachi, Ltd.
- Eisuke Wayama
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Electric-control-type throttle apparatus
- Patent number 6,401,690
- Issue date Jun 11, 2002
- Hitachi, Ltd.
- Takehiko Kowatari
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Throttle device of internal combustion engine
- Patent number 6,390,062
- Issue date May 21, 2002
- Hitachi, Ltd.
- Yasuo Saito
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Method and apparatus for controlling intake air flow rate of an eng...
- Patent number 6,386,182
- Issue date May 14, 2002
- Hitachi, Ltd.
- Takehiko Kowatari
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Throttle apparatus for an internal combustion engine
- Patent number 6,382,181
- Issue date May 7, 2002
- Hitachi, Ltd.
- Eisuke Wayama
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Throttle apparatus for an internal combustion engine
- Patent number 6,382,180
- Issue date May 7, 2002
- Hitachi, Ltd.
- Eisuke Wayama
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Throttle device for internal-combustion engine
- Patent number 6,371,080
- Issue date Apr 16, 2002
- Hitachi, Ltd.
- Yasuo Saito
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Method and apparatus for controlling intake air flow rate of an eng...
- Patent number 6,199,537
- Issue date Mar 13, 2001
- Hitachi, Ltd.
- Takehiko Kowatari
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Electric-control-type throttle apparatus
- Patent number 6,098,594
- Issue date Aug 8, 2000
- Hitachi, Ltd.
- Takehiko Kowatari
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Electronically controlled throttle apparatus for an engine
- Patent number 6,047,680
- Issue date Apr 11, 2000
- Hitachi, Ltd.
- Takahiro Shimura
- 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 RE34403
- Issue date Oct 12, 1993
- Hitachi, Ltd.
- Nobukatsu Arai
- 123 - Internal-combustion engines

Patents Applicationslast 30 patents

Information Patent Application
Throttle valve control apparatus of internal combustion engine and...
- Publication number 20070012288
- Publication date Jan 18, 2007
- Hitachi Ltd.
- Eisuke Wayama
- G01 - MEASURING TESTING
Information Patent Application
Throttle valve control apparatus of internal combustion engine and...
- Publication number 20060272615
- Publication date Dec 7, 2006
- Hitachi, Ltd
- Eisuke Wayama
- G01 - MEASURING TESTING
Information Patent Application
Throttle device for internal-combustion engine
- Publication number 20060042594
- Publication date Mar 2, 2006
- Eisuke Wayama
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Throttle apparatus for an internal combustion engine
- Publication number 20050178359
- Publication date Aug 18, 2005
- Eisuke Wayama
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Throttle valve control apparatus of internal combustion engine and...
- Publication number 20040154589
- Publication date Aug 12, 2004
- Hitachi, Ltd
- Eisuke Wayama
- G01 - MEASURING TESTING
Information Patent Application
Throttle valve control apparatus of internal combustion engine and...
- Publication number 20040149262
- Publication date Aug 5, 2004
- Hitachi Ltd.
- Eisuke Wayama
- G01 - MEASURING TESTING
Information Patent Application
Throttle device for internal-combustion engine
- Publication number 20040129252
- Publication date Jul 8, 2004
- Eisuke Wayama
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Throttle assembly for internal combustion engine, and throttle sensor
- Publication number 20040123838
- Publication date Jul 1, 2004
- Hitachi Ltd.
- Yoshikatsu Hashimoto
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Throttle apparatus for an internal combustion engine
- Publication number 20040060542
- Publication date Apr 1, 2004
- Hitachi, Ltd.
- Eisuke Wayama
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Throttle device for internal-combustion engine
- Publication number 20030196640
- Publication date Oct 23, 2003
- Hitachi, Ltd.
- Yasuo Saito
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Throttle apparatus for an internal combustion engine
- Publication number 20030178003
- Publication date Sep 25, 2003
- Hitachi, Ltd.
- Eisuke Wayama
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Throttle apparatus for an internal combustion engine
- Publication number 20030172905
- Publication date Sep 18, 2003
- Hitachi, Ltd.
- Eisuke Wayama
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Electric-control-type throttle apparatus
- Publication number 20030136377
- Publication date Jul 24, 2003
- Takehiko Kowatari
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Method and apparatus for controlling intake airflow rate of an engi...
- Publication number 20030075147
- Publication date Apr 24, 2003
- Takehiko Kowatari
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Throttle device for internal-combustion engine
- Publication number 20030066515
- Publication date Apr 10, 2003
- Hitachi, Ltd.
- Yasuo Saito
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Electric-control-type throttle apparatus
- Publication number 20030010316
- Publication date Jan 16, 2003
- Takehiko Kowatari
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Throttle apparatus for an internal combustion engine
- Publication number 20020189585
- Publication date Dec 19, 2002
- Hitachi, Ltd.
- Eisuke Wayama
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Method and apparatus for controlling intake air flow rate of an eng...
- Publication number 20020129790
- Publication date Sep 19, 2002
- Takehiko Kowatari
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Throttle device for internal-combustion engine
- Publication number 20020129791
- Publication date Sep 19, 2002
- Hitachi, Ltd.
- Yasuo Saito
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Non-contact rotational position sensor and throttle valve assembly...
- Publication number 20020089324
- Publication date Jul 11, 2002
- Kenji Miyata
- G01 - MEASURING TESTING
Information Patent Application
Electronically controlled throttle apparatus for an engine
- Publication number 20020033166
- Publication date Mar 21, 2002
- Hitachi, Ltd.
- Takahiro Shimura
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Throttle device for internal-combustion engine
- Publication number 20020029760
- Publication date Mar 14, 2002
- Hitachi, Ltd.
- Yasuo Saito
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
ELECTRONICALLY CONTROLLED THROTTLE APPARATUS FOR AN ENGINE
- Publication number 20010045202
- Publication date Nov 29, 2001
- TAKAHIRO SHIMURA
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Throttle valve control apparatus of internal combustion engine and...
- Publication number 20010037794
- Publication date Nov 8, 2001
- Eisuke Wayama
- G01 - MEASURING TESTING
Information Patent Application
Throttle apparatus for an internal combustion engine
- Publication number 20010035157
- Publication date Nov 1, 2001
- Hitachi, Ltd.
- Eisuke Wayama
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Method and apparatus for controlling intake air flow rate of an eng...
- Publication number 20010017126
- Publication date Aug 30, 2001
- Hitachi, Ltd.
- Takehiko Kowatari
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Throttle apparatus for an internal combustion engine
- Publication number 20010000868
- Publication date May 10, 2001
- Hitachi, Ltd.
- Eisuke Wayama
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Throttle apparatus for an internal combustion engine
- Publication number 20010000869
- Publication date May 10, 2001
- Hitachi, Ltd. and Hitachi Car Engineering Co., Ltd.
- Eisuke Wayama
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Throttle apparatus for an internal combustion engine
- Publication number 20010000574
- Publication date May 3, 2001
- Hitachi, Ltd.
- Eisuke Wayama
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Toshifumi Usui

Person

Patents Grantslast 30 patents

Non-contact rotational position sensor and throttle valve assembly...

Throttle valve control apparatus of internal combustion engine and...

Throttle apparatus for an internal combustion engine

Throttle valve control apparatus of internal combustion engine and...

Throttle device for internal-combustion engine

Throttle valve control apparatus of internal combustion engine and...

Throttle assembly for internal combustion engine, and throttle sensor

Throttle device for internal-combustion engine

Throttle device for internal-combustion engine

Throttle valve control apparatus of internal combustion engine and...

Throttle apparatus for an internal combustion engine

Throttle assembly for internal combustion engine, and throttle sensor

Throttle apparatus for an internal combustion engine

Electric-control-type throttle apparatus

Throttle device of internal combustion engine

Throttle device for internal-combustion engine

Non-contact rotational position sensor and throttle valve assembly...

Electric-control-type throttle apparatus

Throttle device for internal-combustion engine

Throttle apparatus for an internal combustion engine

Electric-control-type throttle apparatus

Throttle device of internal combustion engine

Method and apparatus for controlling intake air flow rate of an eng...

Throttle apparatus for an internal combustion engine

Throttle apparatus for an internal combustion engine

Throttle device for internal-combustion engine

Method and apparatus for controlling intake air flow rate of an eng...

Electric-control-type throttle apparatus

Electronically controlled throttle apparatus for an engine

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

Patents Applicationslast 30 patents

Throttle valve control apparatus of internal combustion engine and...

Throttle valve control apparatus of internal combustion engine and...

Throttle device for internal-combustion engine

Throttle apparatus for an internal combustion engine

Throttle valve control apparatus of internal combustion engine and...

Throttle valve control apparatus of internal combustion engine and...

Throttle device for internal-combustion engine

Throttle assembly for internal combustion engine, and throttle sensor

Throttle apparatus for an internal combustion engine

Throttle device for internal-combustion engine

Throttle apparatus for an internal combustion engine

Throttle apparatus for an internal combustion engine

Electric-control-type throttle apparatus

Method and apparatus for controlling intake airflow rate of an engi...

Throttle device for internal-combustion engine

Electric-control-type throttle apparatus

Throttle apparatus for an internal combustion engine

Method and apparatus for controlling intake air flow rate of an eng...

Throttle device for internal-combustion engine

Non-contact rotational position sensor and throttle valve assembly...

Electronically controlled throttle apparatus for an engine

Throttle device for internal-combustion engine

ELECTRONICALLY CONTROLLED THROTTLE APPARATUS FOR AN ENGINE

Throttle valve control apparatus of internal combustion engine and...

Throttle apparatus for an internal combustion engine

Method and apparatus for controlling intake air flow rate of an eng...

Throttle apparatus for an internal combustion engine

Throttle apparatus for an internal combustion engine

Throttle apparatus for an internal combustion engine