Japan has agreed to a $550 billion investment package with the United States aimed at strengthening critical supply chains, particularly in semiconductors, as part of a broader tariff reduction deal.

On his own terms, it could now be said that the aggressive approach by the US President is yielding tangible results.

Japan's top tariff negotiator, Ryosei Akazawa, met with U.S. President Donald Trump at the White House on Tuesday, the Asahi newspaper reported on Wednesday.

Japan's embattled prime minister Shigeru Ishiba, fresh off a crushing defeat in upper house elections over the weekend, will not be in a position of strength to negotiate a favorable trade deal with the U.S., analysts said.