All of your Coats of Arms are well-decorated with its own specialty that makes every country different from others.
The Imperial Seal of Japan (Represented by a Chrysanthemum, which was also the Crest of the Famous Oda clan though a bit different with the number of pedals):

And I'd like to show you the Coats of Arms of Vietnam (Part of my heritage, mother side to be exact, I'm multi-racial):

Translated: The Socialist Republic of Vietnam