It is a shame that the Japanese people did not get the Peace Prize for Article 9 of the Constitution. But having said that Malala Yousafzai and Kailash Satyarthi are far more deserving of the Award since they have inspired and at the same time done a lot more for the world. If the Japanese want a Peace Prize they would need to do a lot more than just make a petition.
Here is a art video representation of nuclear tests 1945-1998 by Japanese artist Isao Hashimoto created in 2003.
And to get up to date a graph from wikipedia showing the frequency of nuclear tests.