LAS VEGAS--(BUSINESS WIRE)--Toyota is opening the door to the hydrogen future, making available thousands of hydrogen fuel cell patents royalty free. Announced today at the 2015 Consumer Electronics Show, this Toyota initiative will spur development and introduction of innovative fuel cell technologies around the world. Toyota will invite royalty-free use of approximately 5,680 fuel cell related patents held globally, including critical technologies developed for the new Toyota Mirai. The list