SUNNYVALE, Calif.--(BUSINESS WIRE)--Rambus Inc. (Nasdaq: RMBS), the innovative technology solutions company that brings invention to market, will hold a conference call on April 20, 2015 at 2:00 p.m. Pacific Time to discuss its first quarter 2015 results. This call will be webcast and can be accessed via Rambus' web site at investor.rambus.com. A replay will be available following the call on the Rambus Investor Relations website or for one week at the following numbers: (855) 859-2056 (domesti