Matsushita kept mum on battery glitch

"Of course, it's natural to disclose a problem as soon as we determine its cause. But in this case, we will refrain from making any comments, including when we learned about the cause" Matsushita Battery Industrial Co. knew as far back as May that a problem in the manufacturing process could cause its cellphone batteries to overheat, but it decided not to publicize the fact, sources said. via Asahi Shimbun - Original Story