Mizuho Bank filed shelf registrations at Japan's Ministry of Finance Friday to issue up to Y500 billion in subordinated bonds over the next two years, documents filed at the ministry showed Friday.

The terms and the timing of the bond issuance have yet to be decided.

Mizuho Bank is the retail banking unit of Mizuho Financial Group Inc. (8411.TO).

-By Tomoyuki Tachikawa, Dow Jones Newswires; 813-6895-7556; tomoyuki.tachikawa@dowjones.com