Looking on the internet deeply has found these results:

go to Japan for business is the most popular phrase on the web.

go to Japan on business 133,300 results on the web	go to Japan for business 1345,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
Here's The Bad News Bears Go to Japan. I better go to Japan right now. I suggest you go to Japan and apologize to her. We can go to Japan with the Americans. Six months later I had the chance to go to Japan. She was about to run away to Japan on an airplane but we caught her. I wish I could go to Japan. My dad lives in America but is now in Japan on business.	I wish I could go to Japan. to Japan for the present price of EUR 600 a kilo. He is going to Japan for six months, and he wouldn't have mentioned it at all, except I answered his phone and found out. His unit was assigned to Japan for humanitarian work. The world looks to Japan for economic leadership. It should not listen to a small fishing sector that wants to export baby glass eels threatened glass eels I heard you went to Japan for vacation?

go to Japan on business

133,300 results on the web

go to Japan for business

1345,000 results on the web

More popular!

I wish I could go to Japan.
to Japan for the present price of EUR 600 a kilo.
He is going to Japan for six months, and he wouldn't have mentioned it at all, except I answered his phone and found out.
His unit was assigned to Japan for humanitarian work.
The world looks to Japan for economic leadership.
It should not listen to a small fishing sector that wants to export baby glass eels
threatened glass eels
I heard you went to Japan for vacation?