Apple was amongst the world’s top ten cell phone manufacturers in the fourth quarter of 2007, according to new research from Gartner. For the first time, worldwide sales of mobile phones surpassed 1 billion units, with growth of 16 percent driving sales of 1.15 billion units in 2007, compared to 990.9 million in 2006. The fourth quarter of 2007 saw three new entrants to the top ten: Research In Motion, ZTE, and Apple. Apple placed tenth in the…