In the 1960s and 1970s, the company altered the tint of its film to correspond to Japanese notions of skin tone (and I realize how weird that sounds), and also invented film that could be developed in normal light because so few Japanese photographers had darkrooms.
363319
The company made changes to it's film in the 1960s and 1970s.
363320
The company did not care about the Japanese market for film sales.