comScore released data from the comScore MobiLens service, reporting key trends in the U.S. smartphone industry during the three month average period ending January 2013. Apple (AAPL) ranked as the top smartphone manufacturer with 37.8 percent OEM market share, while Google Android (GOOG) led as the #1 smartphone platform with 52.3 percent platform market share. 129.4 million people in the U.S. owned smartphones during the three months ending in January, up 7 percent since October. Apple ranked as the top OEM with 37.8 percent of U.S. smartphone subscribers. Samsung (SSNLF) ranked second with 21.4 percent market share, followed by HTC with 9.7 percent share, Motorola with 8.6 percent and LG with 7 percent. Google Android ranked as the top smartphone platform with 52.3 percent market share, while Apple’s share increased 3.5 percentage points to 37.8 percent. BlackBerry (BBRY) ranked third with 5.9 percent share, followed by Microsoft (MSFT) and Symbian (NOK).