Tags Fuji Xerox President Tadahito Yamamoto Japanese investment in Viet Nam tops $37.5 billion as of April's end Thursday, May 21, 2015 Japanese investors have injected US$37.5 billion into 2,619 valid projects in Viet Nam, as of the end of April. Japanese economic troubles hurt country's investment in Viet Nam Thursday, Apr 02, 2015 Japanese investment has temporarily fallen in the first quarter due to difficulties in the Japanese economy, said an official of the Foreign Investment Agency (FIA).