Shiro No Norite is the Japanese translation of 'the White Rider'. The organization was established in 1981. They publish a monthly bulletin called
Elanor, a journal called
The White Rider, and an irregular 'subjournal' called
The Black Rider. They also have published a Japanese index for
The Hobbit and
The Lord of the Rings. All publications are in Japanese. The organization is still active.
[Ref:
Letter from Atsuko Onouchi to Imladris in 1993]