Startup Weekend Tokyo: Day One (Brainstorming, mingling, and presenting.) - 18
From the Startup Weekend Tokyo Site:
Startup weekend is a global movement that has been around for over 2 years. If you are person with a dream, an idea, but don't know how to write a business plan, the event is the place for you to meet people like yourself and help you realize your ideas.
Go here for more: startupweekend.jimdo.com/english/