produced guitars, or parts of guitars, for Vox , Guyatone, FujiGen Gakki, Kanda Shokai ( Greco ), Hoshino Gakki ( Ibanez ), Nippon Gakki ( Yamaha ), Aria and Norlin (parent company of Gibson.) American owned Unicord contracted Matsumoku to build most of its Univox and Westbury guitars. St. Louis Music