Seiichi Ohtani

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Atsugi, JP

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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
Diagnosis system for wide-range air-fuel ratio sensor
- Patent number 6,371,096
- Issue date Apr 16, 2002
- Unisia Jecs Corporation
- Masanobu Ohsaki
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Diagnostic apparatus and method for supplying assist air in an inte...
- Patent number 6,158,420
- Issue date Dec 12, 2000
- Unisia Jecs Corporation
- Masanobu Ohsaki
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Method and apparatus for controlling the air-fuel ratio of an inter...
- Patent number 6,035,839
- Issue date Mar 14, 2000
- Unisia Jecs Corporation
- Seiichi Ohtani
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Apparatus for detecting the fuel property for an internal combustio...
- Patent number 5,817,923
- Issue date Oct 6, 1998
- Unisia Jecs Corporation
- Masanobu Ohsaki
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

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