Hiroichi Yokoyama

Part of Proto Corp., Autoway Co., Ltd. is a Japanese company that specializes in importing summer tires, studless tires, and wheels directly from manufacturers around the world. The company is based in Miyako-gun, Japan. With cumulative sales of 32 million units, Autoway has become a leading provider in the industry, always having 800,000 units in stock. For any inquiries, customers can contact the call center for assistance. Autoway Co. was acquired by Proto Corp. from Mitsuya Shoji KK on April 01, 2013.

MARS FLAG Corp. is a holding company that develops web search engine solutions. It provides web services that can be implemented as an application service provider. The firm's services encompass website search service, website quality management service, and PDF viewer service. The company was founded by Shinya Takei in October 1998 and is headquartered in Tokyo, Japan.

Part of Proto Corp., System-One Corp. develops and wholesales software. The company is based in Sendai, Japan. System-One was acquired by Proto Corp. on October 01, 2009 for $3.27 million.