Yasuhito Ono

Part of YKT Corp., YKT Europe GmbH is a German company that specializes in diamond files and diamond paste. The company is based in Leutenbach, Germany. The company also offers a product called Plazmark, which is an easy-to-use evaluation tool for reacting to radicals and ions without the need for equipment or skill. The company's product line includes machine tools, cutting tools, tool spindles, polishing grinding wheels, corrosion protection, diamond grinding wheels, electronic components, and highly specialized machines. The company was founded in 1977. The CEO is Hidehiro Imoto.

Overseas Stay Support Ltd. creates encounters and communication with people around the world. Its services include long stay business, communication business and language school business. The company was founded on November 16, 2010 and is headquartered in Tokyo, Japan.