Outstanding Paper Award Subcommittee of Kagaku Kogaku Ronbunshu has assessed the 66 papers published in volume 38 into 2012, and the editorial board finally selected the three papers for Kagaku Kogaku Ronbunshu Paper Awards of 2012; those are the papers on "Wet Chemical Preparation of Copper and Nickel Films for Multi-Layered Ceramic Capacitor," "Enhancement of Fluid Mixing by Deformations of Streak Surface," and " Development of a Circulating Fluidized Bed Reaction System Model for Estimation of FCC Catalyst Activity."