指輪物語
(Japanese)

[Yubiwa monogatari]

There is a very detailed listing of Japanese editions and printing runs of Tolkien's works up through 2007 at Impressions of Books by J. R. R. Tolkien published in Japan.

指輪物語 (Japanese D), purchased on-line from taco_lab, Tokyo, on ebay in 2024 (hardback in box [below])

Tolkien, J.R.R. 指輪物語. Translated by Teiji Seta. Vol. 1, 旅の仲間  上. Hyoronsha, 1972.  no ISBN

———. 指輪物語. Translated by Teiji Seta. Vol. 2, 旅の仲間  下. Hyoronsha, 1972.  no ISBN

———. 指輪物語. Translated by Teiji Seta. Vol. 3, 二つの塔  上. Hyoronsha, 1973.  no ISBN

———. 指輪物語. Translated by Teiji Seta. Vol. 4, 二つの塔  下. Hyoronsha, 1973.  no ISBN

———. 指輪物語. Translated by Teiji Seta. Vol. 5, 王の帰還  上. Hyoronsha, 1974.  no ISBN

———. 指輪物語. Translated by Teiji Seta. Vol. 6, 王の帰還  下. Hyoronsha, 1975.  no ISBN

This is the first Japanese edition.

指輪物語 (Japanese B), purchased on-line from japan-tokyoboy, Yokohama on ebay in 2021 (hardback)

Tolkien, J.R.R. 指輪物語. Translated by Teiji Seta. Vol. 1, 旅の仲間  上. Hyoronsha, 1992.  ISBN: 4-566-02354-0

———. 指輪物語. Translated by Teiji Seta. Vol. 2, 旅の仲間  下. Hyoronsha, 1992.  ISBN: 4-566-02355-9

———. 指輪物語. Translated by Teiji Seta. Vol. 3, 二つの塔  上. Hyoronsha, 1992.  ISBN: 4-566-02356-7

———. 指輪物語. Translated by Teiji Seta. Vol. 4, 二つの塔  下. Hyoronsha, 1992.  ISBN: 4-566-02357-5

———. 指輪物語. Translated by Teiji Seta. Vol. 5, 王の帰還  上. Hyoronsha, 1992.  ISBN: 4-566-02358-3

———. 指輪物語. Translated by Teiji Seta. Vol. 6, 王の帰還  下. Hyoronsha, 1992.  ISBN: 4-566-02359-1

———. 指輪物語. Translated by Teiji Seta. Vol. 7, 追補編. Hyoronsha, 1992.  ISBN: 4-566-02360-5

The first two volumes are FR, the next two are TT, the next two are RK, and the last is the Appendices.

指輪物語 (Japanese C), purchased on-line from Tetsuro Noda, Osaka on Amazon.co.jp in 2022 (hardbacks in box [box design below])

Tolkien, J.R.R. 指輪物語. Translated by Teiji Seta. Vol. 1, 旅の仲間. Hyoronsha, 1993.  ISBN: 4-566-02350-8

———. 指輪物語. Translated by Teiji Seta. Vol. 2, 二つの塔. Hyoronsha, 1993.  ISBN: 4-566-02351-6

———. 指輪物語. Translated by Teiji Seta. Vol. 3, 王の帰還. Hyoronsha, 1993.  ISBN: 4-566-02352-4

指輪物語, Lord of the Rings (Japanese)
指輪物語, Lord of the Rings (Japanese)
指輪物語, Lord of the Rings (Japanese)

This set is published in the bunkoban format, A6 in size (148mm x 105mm, a bit less than 6" x 4") so they are the smallest volumes in my collection.  The first 4 volumes are FR (two volumes per original LOTR Book, 1 and 2), the next three are TT (two volumes for Book 3 and one volume for Book 4), and the last two are RK (one volume per Book, 5 and 6).

指輪物語 (Japanese A), purchased on-line from goodlifeyourlife, Osaka on ebay in 2021 (paperback)

Tolkien, J.R.R. 指輪物語. Translated by Teiji Seta and Akiko Tanaka. Vol. 1, 旅の仲間  上1. Hyoronsha, 2002.  ISBN: 4-566-02362-1

———. 指輪物語. Translated by Teiji Seta and Akiko Tanaka. Vol. 2, 旅の仲間  上2. Hyoronsha, 2002.  ISBN: 4-566-02363-X

———. 指輪物語. Translated by Teiji Seta and Akiko Tanaka. Vol. 3, 旅の仲間  下1. Hyoronsha, 2002.  ISBN: 4-566-02364-8

———. 指輪物語. Translated by Teiji Seta and Akiko Tanaka. Vol. 4, 旅の仲間  下2. Hyoronsha, 2002.  ISBN: 4-566-02365-6

———. 指輪物語. Translated by Teiji Seta and Akiko Tanaka. Vol. 5, 二つの塔  上1. Hyoronsha, 2002.  ISBN: 4-566-02366-4

———. 指輪物語. Translated by Teiji Seta and Akiko Tanaka. Vol. 6, 二つの塔  上2. Hyoronsha, 2002.  ISBN: 4-566-02367-2

———. 指輪物語. Translated by Teiji Seta and Akiko Tanaka. Vol. 7, 二つの塔  下. Hyoronsha, 2002.  ISBN: 4-566-02368-0

———. 指輪物語. Translated by Teiji Seta and Akiko Tanaka. Vol. 8, 王の帰還  上. Hyoronsha, 2002.  ISBN: 4-566-02369-9

———. 指輪物語. Translated by Teiji Seta and Akiko Tanaka. Vol. 9, 王の帰還  下. Hyoronsha, 2002.  ISBN: 4-566-02370-2