Sanyo cell phones have earned a great reputation in last few years for features, design and technology in the North American wireless market. According to the recently published study by J.D. Power and Associates in 2005, Sanyo has ranked highest in customer satisfaction with wireless mobile phones. Based upon the performance in five key factors i.e. physical design, operation, features, handset durability and battery function, Sanyo scored highest with 107 points on the customer satisfaction index as compared to the industry average of 97.