Yoko Toshikaihatsu Co. (YTLTF: Grey Market) | Company Name Change Wed, Apr 08, 2015 12:00 - Yoko Toshikaihatsu Co. ( YTLTF : Grey Market) - Company Name Change - Yoko Toshikaihatsu Co. has changed its name to Asian Star Co. Ltd.. The change goes into effect as of Wed, Apr 08, 2015. You may find a complete list of company name changes at otcmarkets.com .