Masaru Ibuka
The system of over-loaning, combined with the government's relaxation of anti-monopoly laws (a remnant of SCAP control) also led to the re-emergence of conglomerate groups called "keiretsu" that mirrored the wartime conglomerates, or "zaibatsu". Led by the economic improvements of Sony businessmen Masaru Ibuka and Akio Morita, the "keiretsu" efficiently allocated resources and became competitive internationally.