The central bank has already purchased 906 billion yen of shares from Japan's largest banks.
Indeed, central banks purchased 4.8m ounces of gold worth $8bn (£5bn) in the third quarter.
Since 2008 the bank has been purchasing mortgages.
The Treasury is considering a requirement that banks must purchase between 50 cents and $1 worth of the stock for each $100 in deposits.
In 2010, a bank purchased the mall for $7.8 million.
The bank purchased additional deposits approximating $220 million from another financial institution in 1994.
Since then, the banks have purchased financial assets and held them as the market improved.
A very prominent bank would purchase aircraft and lease them to the airlines.
The new investment company is supposed to buy a broader array of assets than the central bank can purchase with its foreign exchange reserves.
In 1855 the bank purchased the building to the east.