1957
July Yoshida Trading Co. (current YKK AP Inc.) established.
July Yoshida Trading Co. (current YKK AP Inc.) established.
May Kurobe Plant commences operations in Kurobe City, Toyama Prefecture.
March Headquarters relocated to Nihonbashi Bakurocho, Chuo-ku, Tokyo
January YKK® registered as a trademark of Yoshida Kogyo K.K.
August Uozu Tekkousho K.K. purchased by Yoshida Kogyosho. Renamed Yoshida Kogyo K.K.
May Komatsugawa Plant burned down in the Great Tokyo Air Raids; Yoshida Kogyosho temporarily
February Yoshida Kogyosho reorganized as a limited company.
February San-es Shokai renamed Yoshida Kogyosho
January San-es Shokai founded by Tadao Yoshida in Higashi Nihonbashi, Tokyo; Click here to view a pictorial history of YKK (Japanese only).