Home Rating Lists Financial Institutions Mitsui Sumitomo Insurance News Release Mitsui Sumitomo Insurance(8752) News Release Apr. 23, 2012 JCR Downgraded Rating on Mitsui Sumitomo Insurance from AAA/Negative to AA+/Stable JCR Affirmed AA+ Rating on Aioi Nissay Dowa Insurance; Revised Outlook from Negative to Stable Aug. 25, 2011 JCR Affirmed AAA/Negative and J-1+ on Mitsui Sumitomo Insurance JCR Affirmed AA+/Negative and J-1+ on Aioi Nissay Dowa Insurance Aug. 01, 2008 Affirmed J-1+ on CP of Mitsui Sumitomo Insurance «« « 1 2 » »» Rating Lists Corporates Financial Institutions Public Sector Structured Finance (Investment Corporations) Structured Finance (Structured Finance Products) Sovereigns and Supranationals