It sure took awhile, but Panasonic now has controlling interest of Japan's beleaguered Sanyo Corporation. After shareholder's approved the deal last year, the partnership became mired in anti-trust concerns across the globe. That was then -- today the company founded by Konosuke Matsushita is the proud owner of 50.19% of Sanyo for the bargain price of ¥404 billion ($4.6 billion). That gives Panny access to Sanyo's battery (some of which was sold off to appease regulators) and solar technology as well as its unsurpassed abili