NEC Electronics and Renesas are prepping the biggest one we've seen this week. The two companies have agreed to team up, creating a combined force of $13 billion in yearly sales, and the largest chip company in Japan -- Renesas was already the product of a chip merger between Hitachi and Mitsubishi Electric. They'll still be behind Intel and Samsung in the overall game, but we won't hold that against them. Tokyo analysts believe this might lead to other "defensive" mergers by other Japanese chipmakers, but we'll have to wait and see. NEC and Renesas hope to finish talks by July and become a single company by April of next year.