Washington, Nov. 8 -- Nvidia chief executive Jensen Huang is facing mounting scrutiny from US lawmakers following reports alleging that he had a romantic relationship with a Chinese intelligence operative who sought to influence Washington's policy on semiconductor exports to Beijing.

The allegations could become a significant bipartisan issue in the incoming Congress, with lawmakers raising concerns about the potential exposure of sensitive American technology and the possibility of foreign intelligence influence over one of the country's most influential business leaders.

Democratic Senator Chris Coons of Delaware has called for an investigation into the latest allegations and Huang's reported relationship with the woman, identified as ...