Koji Higuchi

Part of Rhythm Co., Ltd., Rhythm U.S.A., Inc. is a clock manufacturer that has been producing clocks since 1950. Rhythm U.S.A. is a subsidiary of Rhythm Co., Ltd. and is located in Atlanta, GA. The American company's products include magic motion anthology movement, blessing movement, encore movement, gadget movement, gala movement, glory movement, nostalgia movement, timecracker movement, musical motion clocks, table musical clocks, wooden musical mantel wall melody alarm clocks, alarm clocks, contemporary motion clocks, melody cartridges, and other multifunction clocks. The company also offers technical support and have showrooms and shows where customers can see their line.

Part of Rhythm Co., Ltd., Rhywaco (HK) Co. Ltd. is a Chinese company that wholesales jewellery. The company is based in Hong Kong, Hong Kong.