These are called keiretsu, formerly known as zaibatsu, popularized in the West via Neuromancer. https://en.m.wikipedia.org/wiki/Keiretsu https://en.m.wikipedia

These are called keiretsu, formerly known as zaibatsu, popularized in the West via Neuromancer. https://en.m.wikipedia.org/wiki/Keiretsu https://en.m.wikipedia.org/wiki/Keiretsu