How to rev up Japanese startupsJapan needs to do more to encourage new businesses WANTEDLY, a LinkedIn for Japan’s millennials, would not be out of place in California. The thriving firm’s offices feature trendy furniture and a ping-pong table. Akiko Naka, the 32-year-old chief executive leads a young team that forgoes the usual black-and-white attire of Japanese business to pad around in jeans an