There is some dispute as to which company invented the microprocessor, and we’ll talk about that further down. But who invented the first commercially available microprocessor? That honor goes ...

The Tomcat was the first aircraft to use a microprocessor-driven flight system, as well as the first microprocessor unit (MPU) ever demonstrated, beating the Intel 4004 by a year. In 1971 ...

They offered to return the entire $40,000 investment to BUSICOM, thus putting the Japanese company at ease, and gaining ownership of the new chip for itself. That first chip was called the 4004.