Name of Car Company: Hikaru J.K.G (Hikaru Jūkōgyō Kabushiki Gaisha or Hikaru Heavy Industries)
Owner of Company: Yuiichi Hikaru, @MoteurMourmin
Website or Forum thread: Hikaru Heavy Industries (光重工業株式会社)⁸
Established: 
(Japan) Sapporo, Hokkaido Prefecture, 1958
Company ID: #1951135
Official Banner:
Badge on car - 1970 example:
