Here is a selection of concept cars designed by Japanese automakers from 1957-2009.
Toyota Proto, 1957
Toyota Proto, 1957
Toyota Publica Sports, 1962
Nissan Prince Sprint 1900 Prototype, 1963
Toyota Concept, 1966
Mazda RX 87 (Bertone), 1967
Isuzu Bellett MX1600 (Ghia), 1969
Toyota...