Even though US companies have yet to step up and indicate just how badly they have been affected by the Japanese quake (which could take a while: one of the benefits of massive inventory stockpiling), Japan is not that lucky. According to a Reuters poll the March 11catastrophe has negatively affected nearly 60 percent of Japanese companies, disrupting production andsupply chains.The special survey of 400 large firms was taken between March 25 and April 11 in tandem with the monthly Reuters Tankan, a poll of corporate sentiment While Japanese companies are likely to be squeezed by production disruptions in northern Japan, as well as power shortages and supply woes, they may not feel the same pain as after the collapse of Lehman Brothers, when lending markets froze.