About 25 years ago Nippon Mining & Sumitomo Metals ( both Japanese ) got into semiconductors. Sumitomo is one of the largest suppliers of raw Si wafers to Fabs. They even have a factory in the US.
The Chinese are merely copying with assistance from US veterans ( as reported here like this Mr. Sparks, ex Delco ) made homeless by Wall St.
Replay available now: A handful of emerging network technologies are competing to be the preferred wide-area connection for the Internet of Things. All claim lower costs and power use than cellular but none have wide deployment yet. Listen in as proponents of leading contenders make their case to be the metro or national IoT network of the future. Rick Merritt, EE Times Silicon Valley Bureau Chief, moderators this discussion. Join in and ask his guests questions.