Yayoi Period (Yayoi Culture) Storage jar, Yayoi period (ca. 4th century b.c.–3rd century a.d.) Japan Earthenware During the second century B.C., an influx of people from the continent brought the first of several waves of foreign influence that have shaped Japanese culture, initiating a more advanced cultural stage known as Yayoi. When rice cultivation and bronze and iron metallurgy were intr..