concept_car_1_thumb
Japanese concept cars from 1957-2009
Toyota Proto, 1957
Nissan Prince Sprint 1900 Prototype, 1963
Toyota EX-II, 1969
Mazda RX-500, 1970
Pink Tentacle currenlty has a great post on Japanese concept cars from 1957-2009. I’m not so sure about the Toyota EX-II from 1969, tho… Yikes! 
Nissan AD-1 Concept, 1975
Nissan Figaro Concept, 1989
Toyota Proto, 1957