Zairyu card copy
Current proof of income, tax payments, property or business ownership, or assets.
Your travel itinerary and/or other explanation about your planned trip. (better be very detailed)
A letter from your employer detailing your position, salary, how long you have been employed, any authorized vacation, and the business purpose, if any, of your U.S. trip.
Criminal/court records pertaining to any arrest or conviction anywhere, even if you completed your sentence or were later pardoned.
latest school results, transcripts and degrees/diplomas.