Shigeo Ohkuma

Person

Isesaki-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Deterioration diagnosis system for an air-fuel ratio sensor
- Patent number 7,836,758
- Issue date Nov 23, 2010
- Hitachi, Ltd.
- Toshihiro Aono
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Exhaust gas sensor activation judgment and air fuel ratio control s...
- Patent number 7,146,972
- Issue date Dec 12, 2006
- Hitachi, Ltd.
- Shigeo Ohkuma
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Device and method for measuring element temperature of air-fuel rat...
- Patent number 7,017,567
- Issue date Mar 28, 2006
- Hitachi, Ltd.
- Hajime Hosoya
- G01 - MEASURING TESTING
Information Patent Grant
Air-fuel ratio control apparatus for internal combustion engine and...
- Patent number 6,976,483
- Issue date Dec 20, 2005
- Hitachi, Ltd.
- Shigeo Ohkuma
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Air-fuel ratio control apparatus for internal combustion engine and...
- Patent number 6,973,926
- Issue date Dec 13, 2005
- Hitachi, Ltd.
- Shigeo Ohkuma
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Air-fuel ratio detecting apparatus of engine and method thereof
- Patent number 6,918,385
- Issue date Jul 19, 2005
- Hitachi, Ltd.
- Shigeo Ohkuma
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Air-fuel ratio control apparatus, air-fuel ratio detecting apparatu...
- Patent number 6,848,439
- Issue date Feb 1, 2005
- Hitachi Unisia Automotive, Ltd.
- Shigeo Ohkuma
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus and method for controlling air-fuel ratio of engine
- Patent number 6,769,422
- Issue date Aug 3, 2004
- Unisia Jecs Corporation
- Shigeo Ohkuma
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Heater control apparatus of air-fuel ratio sensor and method thereof
- Patent number 6,723,965
- Issue date Apr 20, 2004
- Unisia Jecs Corporation
- Shigeo Ohkuma
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Device and method for measuring element temperature of air-fuel rat...
- Patent number 6,712,054
- Issue date Mar 30, 2004
- Unisia Jecs Corporation
- Hajime Hosoya
- G01 - MEASURING TESTING
Information Patent Grant
Device for and method of controlling air-fuel ratio of internal com...
- Patent number 6,644,017
- Issue date Nov 11, 2003
- Unisia Jecs Corporation
- Koji Takahashi
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Device and method for controlling air-fuel ratio of internal combus...
- Patent number 6,609,510
- Issue date Aug 26, 2003
- Unisia Jecs Corporation
- Koji Takahashi
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Correction device of air-fuel ratio detection apparatus
- Patent number 6,576,118
- Issue date Jun 10, 2003
- Unisia Jecs Corporation
- Shigeo Ohkuma
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus and method for detecting catalyst temperature
- Patent number 6,571,602
- Issue date Jun 3, 2003
- Unisia Jecs Corporation
- Shigeo Ohkuma
- G01 - MEASURING TESTING
Information Patent Grant
Feedback control device and feedback control method of air-fuel rat...
- Patent number 6,453,895
- Issue date Sep 24, 2002
- Unisia Jecs Corporation
- Koji Takahashi
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Air-fuel ratio feedback control apparatus and method of internal co...
- Patent number 6,453,896
- Issue date Sep 24, 2002
- Unisia Jecs Corporation
- Koji Takahashi
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Fuel vapor treatment apparatus in internal combustion engine and me...
- Patent number 6,450,159
- Issue date Sep 17, 2002
- Unisia Jecs Corporation
- Shigeo Ohkuma
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Air-fuel ratio feedback control apparatus of internal combustion en...
- Patent number 6,450,158
- Issue date Sep 17, 2002
- Unisia Jecs Corporation
- Koji Takahashi
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Air-fuel ratio control device for internal combustion engine and me...
- Patent number 6,453,229
- Issue date Sep 17, 2002
- Unisia Jecs Corporation
- Shigeo Ohkuma
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Apparatus and method for diagnosing leakage in fuel vapor treatment...
- Patent number 6,389,882
- Issue date May 21, 2002
- Unisia Jecs Corporation
- Shigeo Ohkuma
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Apparatus and method for diagnosing faults of fuel vapor treatment...
- Patent number 6,321,728
- Issue date Nov 27, 2001
- Unisia Jecs Corporation
- Shigeo Ohkuma
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Leak detection of emission control system
- Patent number 6,182,642
- Issue date Feb 6, 2001
- Unisia Jecs Corporation
- Shigeo Ohkuma
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Fuel vapor processing apparatus and method of internal combustion e...
- Patent number 6,176,217
- Issue date Jan 23, 2001
- Unisia Jecs Corporation
- Shigeo Ohkuma
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Apparatus and method for actively reducing noise in vehicular passe...
- Patent number 5,850,458
- Issue date Dec 15, 1998
- Unisia Jecs Corporation
- Naoki Tomisawa
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Pressure sensor
- Patent number 5,517,073
- Issue date May 14, 1996
- Unisia Jecs Corporation
- Shigeo Ohkuma
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Air-Fuel Ratio Control Apparatus by Sliding Mode Control of Engine
- Publication number 20090157282
- Publication date Jun 18, 2009
- Hitachi, Ltd
- Seiji Asano
- G05 - CONTROLLING REGULATING
Information Patent Application
Deterioration Diagnosis System for an Air-Fuel Ratio Sensor
- Publication number 20080271435
- Publication date Nov 6, 2008
- Hitachi, Ltd
- Toshihiro AONO
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Exhaust gas sensor activation judgment and air fuel ratio control s...
- Publication number 20060070607
- Publication date Apr 6, 2006
- Hitachi, Ltd.
- Shigeo Ohkuma
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Oxygen concentration detecting apparatus and method
- Publication number 20050139491
- Publication date Jun 30, 2005
- Hitachi, Ltd.
- Shigeo Ohkuma
- G01 - MEASURING TESTING
Information Patent Application
Exhaust component concentration detecting apparatus for internal co...
- Publication number 20050021214
- Publication date Jan 27, 2005
- HITACHI UNISIA AUTOMOTIVE, LTD.
- Shigeo Ohkuma
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Air-fuel ratio control apparatus for internal combustion engine and...
- Publication number 20050016513
- Publication date Jan 27, 2005
- HITACHI UNISIA AUTOMOTIVE, LTD.
- Shigeo Ohkuma
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Air-fuel ratio control apparatus for internal combustion engine and...
- Publication number 20050000504
- Publication date Jan 6, 2005
- HITACHI UNISIA AUTOMOTIVE, LTD.
- Shigeo Ohkuma
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Device and method for measuring element temperature of air-fuel rat...
- Publication number 20040173196
- Publication date Sep 9, 2004
- UNISIA JECS CORPORATION
- Hajime Hosoya
- G01 - MEASURING TESTING
Information Patent Application
Air-fuel ratio detecting apparatus of engine and method thereof
- Publication number 20030089358
- Publication date May 15, 2003
- HITACHI UNISIA AUTOMOTIVE, LTD.
- Shigeo Ohkuma
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Air-fuel ratio control apparatus, air-fuel ratio detecting apparatu...
- Publication number 20030084892
- Publication date May 8, 2003
- HITACHI UNISIA AUTOMOTIVE, LTD.
- Shigeo Ohkuma
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Apparatus and method for controlling air-fuel ratio of engine
- Publication number 20020179071
- Publication date Dec 5, 2002
- UNISIA JECS CORPORATION
- Shigeo Ohkuma
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Device for and method of controlling air-fuel ratio of internal com...
- Publication number 20020073965
- Publication date Jun 20, 2002
- Koji Takahashi
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Device and method for controlling air-fuel ratio of internal combus...
- Publication number 20020069864
- Publication date Jun 13, 2002
- Koji Takahashi
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Device and method for controlling air-fuel ratio of internal combus...
- Publication number 20020062640
- Publication date May 30, 2002
- UNISIA JECS CORPORATION
- Koji Takahashi
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Device and method for measuring element temperature of air-fuel rat...
- Publication number 20020008100
- Publication date Jan 24, 2002
- Hajime Hosoya
- G01 - MEASURING TESTING
Information Patent Application
Apparatus and method for detecting catalyst temperature
- Publication number 20020005064
- Publication date Jan 17, 2002
- UNISIA JECS CORPORATION
- Shigeo Ohkuma
- G01 - MEASURING TESTING
Information Patent Application
Heater control apparatus of air-fuel ratio sensor and method thereof
- Publication number 20010054608
- Publication date Dec 27, 2001
- UNISIA JECS CORPORATION
- Shigeo Ohkuma
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Correction device of air-fuel ratio detection apparatus
- Publication number 20010052473
- Publication date Dec 20, 2001
- Shigeo Ohkuma
- G01 - MEASURING TESTING
Information Patent Application
Fuel vapor treatment apparatus in internal combustion engine and me...
- Publication number 20010032627
- Publication date Oct 25, 2001
- Shigeo Ohkuma
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Air-fuel ratio feeback control apparatus and method of internal com...
- Publication number 20010029936
- Publication date Oct 18, 2001
- Koji Takahashi
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Feedback control device and feedback control method of air-fuel rat...
- Publication number 20010025635
- Publication date Oct 4, 2001
- Koji Takahashi
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Air-fuel ratio feedback control apparatus of internal combustion en...
- Publication number 20010022176
- Publication date Sep 20, 2001
- Koji Takahashi
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Shigeo Ohkuma

Person

Patents Grantslast 30 patents

Deterioration diagnosis system for an air-fuel ratio sensor

Exhaust gas sensor activation judgment and air fuel ratio control s...

Device and method for measuring element temperature of air-fuel rat...

Air-fuel ratio control apparatus for internal combustion engine and...

Air-fuel ratio control apparatus for internal combustion engine and...

Air-fuel ratio detecting apparatus of engine and method thereof

Air-fuel ratio control apparatus, air-fuel ratio detecting apparatu...

Apparatus and method for controlling air-fuel ratio of engine

Heater control apparatus of air-fuel ratio sensor and method thereof

Device and method for measuring element temperature of air-fuel rat...

Device for and method of controlling air-fuel ratio of internal com...

Device and method for controlling air-fuel ratio of internal combus...

Correction device of air-fuel ratio detection apparatus

Apparatus and method for detecting catalyst temperature

Feedback control device and feedback control method of air-fuel rat...

Air-fuel ratio feedback control apparatus and method of internal co...

Fuel vapor treatment apparatus in internal combustion engine and me...

Air-fuel ratio feedback control apparatus of internal combustion en...

Air-fuel ratio control device for internal combustion engine and me...

Apparatus and method for diagnosing leakage in fuel vapor treatment...

Apparatus and method for diagnosing faults of fuel vapor treatment...

Leak detection of emission control system

Fuel vapor processing apparatus and method of internal combustion e...

Apparatus and method for actively reducing noise in vehicular passe...

Pressure sensor

Patents Applicationslast 30 patents

Air-Fuel Ratio Control Apparatus by Sliding Mode Control of Engine

Deterioration Diagnosis System for an Air-Fuel Ratio Sensor

Exhaust gas sensor activation judgment and air fuel ratio control s...

Oxygen concentration detecting apparatus and method

Exhaust component concentration detecting apparatus for internal co...

Air-fuel ratio control apparatus for internal combustion engine and...

Air-fuel ratio control apparatus for internal combustion engine and...

Device and method for measuring element temperature of air-fuel rat...

Air-fuel ratio detecting apparatus of engine and method thereof

Air-fuel ratio control apparatus, air-fuel ratio detecting apparatu...

Apparatus and method for controlling air-fuel ratio of engine

Device for and method of controlling air-fuel ratio of internal com...

Device and method for controlling air-fuel ratio of internal combus...

Device and method for controlling air-fuel ratio of internal combus...

Device and method for measuring element temperature of air-fuel rat...

Apparatus and method for detecting catalyst temperature

Heater control apparatus of air-fuel ratio sensor and method thereof

Correction device of air-fuel ratio detection apparatus

Fuel vapor treatment apparatus in internal combustion engine and me...

Air-fuel ratio feeback control apparatus and method of internal com...

Feedback control device and feedback control method of air-fuel rat...

Air-fuel ratio feedback control apparatus of internal combustion en...