His major achievements include the description and naming of several dinosaurs from Japan, for example, Kamuysaurus, Yamatosaurus and Paralitherizinosaurus.

[6] He is also a research affiliate of Perot Museum of Nature and Science,[4] a member of Jurassic Foundation,[4] a councilor of Palaeontological Society of Japan [ja].

[6] He attended a junior high school attached to the Faculty of Education at the University of Fukui, where he was a member of the science club under an advisor well versed in geology.

[8] In junior high school, he was interested in ammonites and spent after-school hours and holidays excavating fossils.

[11] He left school after one year to study abroad in the United States, entering the University of Wyoming[11] and receiving B.Sc.