Here is a selection of concept cars designed by Japanese automakers from 1957 onwards
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 EX-1, 1969
Toyota EX-II, 1969
Toyota EX-III, 1969
Mazda RX-500, 1970
Isuzu MX1600-II
Nissan 126X, 1970
Nissan 270X, 1970
Nissan 216X, 1971
Nissan Skyline Concept, 1972
Toyota EX-7, 1972
Toyota F101, 1973
Nissan NX-21, 1983
Nissan CUE-X, 1985
Daihatsu TA-X80, 1987
Mitsubishi HSR II, 1989
Nissan FEV, 1991
Mazda London Taxi, 1993
Mistsubishi ESR,1993
Nissan AP-X, 1994
Nissan TrailRunner, 1997
Nissan KYXX, 1998
Honda Fuya-Jo, 1999
Mazda Miata Mono-Posto, 1999