Sony Corp.'s financial division plans to raise [yen] 300 billion ($2.5 billion) this fall in an IPO that will be the biggest in Japanese financial history, according to local media reports.

The Nikkei newspaper reported Sony will invest the IPO coin in its core electronics biz, including new-generation TVs. The company already has made an application for the IPO to the Tokyo Stock Exchange, the Nikkei report said.

Sony Financial Holdings plans to boost its capitalization to $8.5 billion ...