Takahumi Ohwada

Follow

Person

Tokyo, 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...

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