I will be in the US (namely San Francisco and LA) for a few days next month to visit various companies and do other things. By coincidence, the JETRO (Japan External Trade Organization) will be holding an interesting event during that time, on July 29, in San Francisco:
Social Networks and Casual Games: Transition from Web to Mobile in the U.S. and Japan
Click on the link to get to the LinkedIn Events site from where you can RSVP (as far as I understand, anyone can).
Panelists include people from Mixi, GREE, 2clams studios, 6Waves, and Seesmic.