Overview: The behind-the-scenes tales of hit products and creations from Japan: this is Japan's Top Inventions. This time, an invention that uses magnetic force to help freeze food without destroying its cell structure: a "fresh freezing" system. It was developed by a Japanese venture firm in 1995 as a technology that would help freeze food without altering its flavor. We look into the story behind its creation, inspired in part by microwaves, and learn about the latest versions.