In a new report, Sony Ericsson, a consumer electronics and telecommunications company that manufactures mobile phones, is said to be more deeply invested inWindows Phone 7 than the manufacturer has let on in the past. A Windows Phone from Sony Ericsson (News  - Alert) has been rumored for months, but the phone maker for a while wouldn’t confirm its plans, saying only that it was looking intoMicrosoft’s (News  - Alert) new mobile OS as a possible platform for future devices. A new venture of this sort would definitely increase consumer interest in its smartphones.