What brand does the company that  Tadashi Yanai is the founder of own other than uniqlo?
Fast Retailing Fast Retailing Co., Ltd. (株式会社ファーストリテイリング , Kabushiki Kaisha Fāsuto Riteiringu ) is a public Japanese retail holding company. In addition to its primary subsidiary Uniqlo, it owns several other brands, including J Brand, Comptoir des Cotonniers, G.U., Princesse Tam-Tam, and Theory.
Uni-ball Uni-ball and Uni are brands of pens and pencils, made by the Mitsubishi Pencil Company Limited (三菱鉛筆株式会社 , Mitsubishi Enpitsu Kabushiki Gaisha ) of Japan. Mitsubishi Pencil Company distributes products in over 100 countries through subsidiaries, such as Mitsubishi Pencil Company UK. Sanford (a division of Newell Brands) distributes uni-ball in the United States and Canada, Faber-Castell does so for Germany, and Linc Pen and Plastics Limited (LPPL) in India. Despite its naming and the near identical logomarks, Mitsubishi Pencil Company is unrelated to the Mitsubishi Group, and has never been a part of their zaibatsu.