Toshiba is likely to approach multiple financial institutions including Mizuho Bank and Sumitomo Mitsui Banking Corp, Nikkei reported, citing Chief Financial Officer Masayoshi Hirata. Toshiba is also negotiating the sale of equipment maker Toshiba Medical Systems, which would likely boost its capital base to over 1 trillion yen by the middle of fiscal 2016, Nikkei said. Toshiba was not immediately available for comment.