MinebeaMitsumi Yo-Yo Claims GUINNESS WORLD RECORDS™ Title for "Longest Yo-Yo Sleeper"! - Ultra-Precision Ball Bearing Technology Breaks World Record for Rotation Duration -
MinebeaMitsumi Inc. (hereinafter "MinebeaMitsumi") broke the Guinness World Records™ title in the "Longest yo-yo sleeper" category—a competition for the duration of a yo-yo's spin—using an original yo-yo developed by combining its proprietary ultra-precision machining technology and small-diameter ball bearing technology.Supported by ultra-precision machining technology that has been refined in-ho
