Wiki

http://www.ustraveldocs.com/jp/jp-niv-visaapply.asp

• Prepare the DS160 document.

DS-160 → Read guideline → write → submit, get an 10 digit number → print a copy One 2×2 photo, passport, Zairyu card copy, passport Visa Fee → get a 12 digits receipt number Schedule an appointment with the 12 and 10 digit number

 → Go to the interview

Follow this web page to fill DS160, pay application fee and reserve an interview: https://jp.usembassy.gov/visas/nonimmigrant-visas/non-immigrant-visa-application-procedures/

• For business visit (B1 Visa): Have a introduction letter from your company, proving that you need to enter USA multiple times in the future, so that you could get a 10 year VISA.
• For tourist visit (B2 Visa): single or multiple entrance is decided by the officer who interviews you. He will decide basing on your condition. No special document needed.