"Onyx Pharmaceuticals Inc. is a biopharmaceutical company headquartered in South San Francisco, California. The company develops and markets medicines for the treatment of cancer. Onyx was founded in 1992 by Kevin J. Kinsella and Frank McCormick Ph.D., FRS. In 2009, the company acquired Proteolix, Inc., a private biotechnology company. In January 2012, the company was named \"the top biotechnology takeover target in 2012\" through an industry survey."@en . . . . . . "500"^^ . "1992Z"^^ . .