The Japan Center for Economic Research, a Tokyo-based think tank related to the Nikkei newspaper, released an update report stating the cost of cleaning up the Fukushima Daiichi power plant has now risen to around JPY81trn.

In Japan where fundings and M&A valuations are usually kept secret, and where smaller companies take longer to gain traction because of cautious partners and suppliers, knowing what you are worth can be tough to discover.

Toyota announced that one of its subsidiaries had set itself the goal of developing a "supercomputer-on-wheels" self-driving vehicle ready to demonstrate at the Tokyo Olympics one year from now.

The Supreme Court (of Japan) upheld a law that requires transgender people to undergo surgery to remove their biological organs if they want to be recognized by the state as the gender that they identify with.