a4a5eaed_semiconductor______Patents_com__Description
[Patent #] 2011/0174282 [Description] 
INTERNAL COMBUSTION ENGINE SYSTEM, METHOD OF DETERMINING OCCURRENCE OF AIR-FUEL RATIO IMBALANCE THEREIN, AND... When an engine is in a predetermined steady operating state, a gradient accumulation average value .DELTA.Aulsa corresponding to the amount of change in the...
Applications filed at Jul 21 2011 | Method for producing nitride semiconductor laser light source and apparatus for producing nitride semiconductor... | Patents.com