You can get in contact with the institution calling the following number +1-313-567-0120 or visit the Consulate at 400 Renaissance Center, Suite 1600, Detroit, Michigan 48243, U.S.A. yourself. You can also apply for the Japanese e-Visa online following a quick and intuitive 3-step application process that requires no visits to the Embassy.
Visa to JapanJapan Electronic Travel Authorization