[Sauropod teeth (cf. Nemegtosaurus sp.) from the Tamayama Formation (Upper Cretaceous, Santonian), Futaba Group of Iwaki City, Fukushima Prefecture, northeast Japan] - 1997
[Hadrosaurid teeth from the Upper Cretaceous, lower Coniacian Ashizawa Formation, Futaba Group of Ashizawa, Oshia-Cho, Iwaki city, Fukusima Prefecture, northeast Japan—the oldest find of hadrosaurid fossils in East Asia] - 1998
[Wear facet of teeth in the Nemegtosauridae—new knowledge from Suzuki's sauropod specimen from Iwaki] - 1998