TOKYO and Massachusetts, Jan. 22, 2016 /PRNewswire/ — Astellas Pharma Inc. (TSE: 4503, President and CEO: Yoshihiko Hatanaka, “Astellas”) and Ocata Therapeutics, Inc. (NASDAQ: OCAT, President and CEO: Paul Wotton, “Ocata”) today announced that Astellas has extended, through its indirect wholly-owned subsidiary Laurel Acquisition Inc., the offering period of the tender …