Vajrayana Buddhism in Japan seems to be a mostly American expat invention. Japan does not have so much of an interest in the Dalai Lama and so forth.
Imported from Western (!) reform
- 16th Gyalwa Karmapa Rangjung Rigpe Dorje
- George Dawson
- Doug Duncan
- Dharma Japan [in English] http://www.dharma-japan.org/
- Doug Duncan
- Ole Nydahl
- Diamond Way Buddhist Centers in Japan [mostly English] http://www.diamondway.jp/centers-en.html
- George Dawson
- Thubten Yeshe (1935-1984)
- Foundation for the Preservation of the Mahayana Tradition
- FPMT Japan http://www.fpmt-japan.org/ [partially English]
- Foundation for the Preservation of the Mahayana Tradition
- Shambhala
- Kyoto Shambhala Meditation Group