Yamato Period (c. 250-710 CE) Imperial court ruled from modern-day Nara Prefecture, then known as Yamato Province. a new constitution was written for Japan based on the Chinese one.
For more information-http://www.angelfire.com/empire2/unkemptgoose/Yamato.html
794 to 1185
The Heian era was a groundbreaking moment in Japanese Buddhism and Buddhist art
For more information- http://www.metmuseum.org/toah/hd/heia/hd_heia.htm