Seishi Tanaka

The Mainichi Newspapers Co. Ltd. operates a newspaper business. The firm offers news and information in the areas of business, world, sports, arts and entertainment, and lifestyle and health. The company was founded in 1872 and is headquartered in Tokyo, Japan.

The Mainichi Newspaper Group Holdings Co., Ltd. handles the management and business strategy development of its group companies. It operates through the Newspaper, Magazine, and Book Printing and Sales; and Real Estate and Others segments. The firm’s Newspaper, Magazine, and Book Printing and Sales segment engages in the publishing and distribution of broadsheet newspapers and magazines; insert advertisements; and provides advertising services. Its Real Estate and Others segment provides building management and rental; insurance business; television programs and short video production; and travel agency services. The company was founded in February 2011 and is headquartered in Tokyo, Japan.