Opera Software has landed its mobile browser on five more handsets for Japan?s KDDI, apparently the nations largest 3G operator. It brings the total number of KDDI handsets with the browser released this year up to 10. ?The new summer series handsets will include enhanced browser features such as a password manager, portal search directly from the UI, and performance improvements. The Sanyo E02SA, will be the first mobile device from KDDI designed specifically for corporate clients and can be used both as a telephone for making calls using VoIP, and as a mobile phone.?