By Karlee Weinmann ( April 16, 2013, 1:40 PM EDT) -- Panasonic Corp. has enlisted Bank of America Merrill Lynch to help guide the sale of a slice of its health care unit, a divestment that Reuters reported on Tuesday could be worth up to $1 billion. The Japanese electronics conglomerate has said it would target bidders with medical expertise to help fuel future growth for the division, though a pair of potential private equity suitors — Bain Capital LLC and The Carlyle Group LP — are on the radar. Unloading a piece of the health care unit would free up Panasonic resources as the company seeks to shift away from its consumer electronics business in favor of a sharpened focus on supplying devices and components to other companies....