•The main variety of Japanese Tantric Buddhism is known as Shingon. While other Tantric Buddhist traditions in East Asia declined (outside of Tibet), Japanese Shingonhas continued to remain vibrant.
•Esoteric Buddhism was brought to Japan by a Japanese monk named Kukai(774-835).
•Kukai’sEsoteric Buddhism had some similarities to the form introduced to Tibet, but this kind of Tantric Buddhism was also different in a number of ways from Tibetan Buddhism. Tibetan Buddhism arrived there directly from India, not from China.