Japan's $15 billion Rapidus chip bet hinges on winning customers ↧ ↧ Japan's $15 billion Rapidus chip bet hinges on winning customers Japan's Rapidus, with $15 billion in state backing, is tying up with chip design firms as it seeks to answer a major question hanging over the ​country's tech ambitions: can it attract enough customers to its state-of-the-art chip factory?