Business leaders around the world are closely watching the still-evolving policies of U.S. President Donald Trump, wondering how coming changes may affect their operations.

Japan's business community is no exception, most notably the auto sector, a key industry for the country.

Since Trump attacked Toyota Motor Corp. on Twitter earlier this month, threatening Japan's biggest carmaker with tariffs on U.S.-bound cars made in Mexico, concerns have grown over the impact of protectionist trade policies.