The behind-the-scenes tales of hit products and creations from Japan: this is Japan's Top Inventions. This time, robotic exoskeletons, machines that turn humans into cyborgs! They were invented by professor and business founder Sankai Yoshiyuki, who created them for people who have trouble walking, such as the elderly or those who have suffered strokes. We dive into the little-known story behind the development of the world's first robotic exoskeletons.