Not yet.
Japan is finding itself hemmed in these days by increasingly hostile and dangerous neighbours. Whether the issue is the unstable Kim Jong-Il of North Korea with his drive for nuclear weapons and penchant for launching missile tests that travel over Japan, or a Chinese government perceived as increasingly hostile, Japanese situational awareness and self-defense are beginning to require deep surveillance capabilities.
This may help to explain why Japan’s Liberal Democratic Party has drafted a bill to allow Japan’s military into space within the parameters of self-defense rights. That would be a major change from the current civilian-only restrictions that Japan has placed on space ventures.