Launch the equity as GOX traded colored coins (or other blockchain based overlay for stock ownership), which when/if profit is made BTC will be distributed to shareholders.
and be immediately shutdown and seized by Japanese regulators for securities violations.
I don't know the lawful method in Japan. Another way then? I do like the idea of a blockchain based ownership system.
The same reason you like it, is the same reason just about every nation on earth has banned bearer shares a couple decades ago. Most off shore locations no longer allow bearer shares. Securities laws are generally speaking insanely complex, but they (almost?) never allow unregistered securities to be sold to the public or publicly traded.