Yasuki Hiramatsu (平松 保城, Hiramatsu Yasuki; (April 30, 1926 – April 11, 2012) was born in Osaka, Japan. He was a Japanese artist and considered a pioneer of modern jewelry in Japan. He served as a member of the Japan Craft Design Association, the Japan Jewellery Designers Association, and the Mitglied von der Gesellschaft für Goldschmiedekunst.
Source: “Yasuki Hiramatsu”, English Wikipedia (CC BY-SA 4.0), excerpt