Greg Bailey has written:

'The sociology of early Buddhism' -- subject(s): Buddhism, Mediation, Monastic and religious life (Buddhism), Religious aspects of Mediation, Social aspects of Buddhism

Zen Buddhism and Shingon Buddhism are two notable sects of Japanese Buddhism. Pure Land, or Amidist, Buddhism is also significant in this country. Pure Land has its roots in India and China, however. Zen Buddhism emphasizes meditating for enlightenment. Shingon Buddhism is a type of Pure Land Buddhism and is esoteric and relies on early Buddhist Tantras.

this period was form the early sixteenth century on woods.

Buddhism. Simple as that. But the term Buddhism and Buddhists was coined by early English visitors to India. Originally followers of the Buddha referred to themselves as Saugata, Sakyans or Sakyabhiksu in ancient India.