HTC Said to Plan Windows Tablets to Challenge Apple’s IPad

HTC Corp. plans to make tablets based on the Windows operating system, giving Microsoft Corp. another ally in its challenge to Apple Inc. and Google Inc. in the $63.2 billion market, people familiar with the matter said.

HTC, excluded earlier this year from the first batch of Windows tablets, is working on a 12-inch device and a 7-inch version that can also make phone calls, according to a person familiar with the company’s plans, who declined to be identified as the information isn’t yet public.