Why Do Tamiya and Kyosho Have a Duopoly in Japan?

In Japan you will not find any Schumacher, AE (Associated Electronics), Arrma, Losi, or Traxxas R/C cars, trucks, or buggies, but can only find Tamiya and Kyosho controlled model vehicles for sale. Why is this? We dig into the fascinating logistics, the politics and the culture of Japan and explain by no one has been able to defeat the Tamiya and Kyosho Japanese duopoly.