TOKYO (Standard&Poor's) Jan. 17, 2013--Standard&Poor's Ratings Services today assigned its 'BBB' long-term corporate credit rating to Toshiba Corporation's (Toshiba; BBB/Stable/A-2) ¥30 billion series 53 domestic currency senior straight bonds. The coupon rate is 0.62% and the bonds are due Jan. 27, 2017. Our ratings on Toshiba reflect its stable profits and cash flow from power generation, other industrial systems, and medical equipment, as well as its strong competitiveness in NAND flash memory, backed by technological strengths and enhanced production. Standard&Poor's Ratings Services also factors into the ratings stable financing and access to capital markets. Constraints on the ratings are its core semiconductor business' high susceptibility to market fluctuations and highly variable profits, the company's