Bibliography and credits

Sources

The sources consulted on 4 October 2026. The descriptions of his blades and the videos of cutting tests were used to check facts, but they are neither cited nor linked; the photos carry the generic credit. The NBTHK was consulted to see whether he appeared in its recent competitions.

On this page
  1. Sources

Sources

NBTHK: catalogues and lists

  1. NBTHK, catalogue of the 新作名刀展 (Shinsaku Meitōten) exhibition of fiscal year 2017
  2. NBTHK, results for 2019 in 『刀剣美術』 (Tōken Bijutsu)
  3. NBTHK, catalogue of the 現代刀職展 (Gendai Tōshokuten) 2020
  4. NBTHK, catalogue of the Gendai Tōshokuten 2021
  5. NBTHK, catalogue of the Gendai Tōshokuten 2022
  6. NBTHK, results of the Gendai Tōshokuten 2023, forging section
  7. NBTHK, catalogue of the Gendai Tōshokuten 2024
  8. NBTHK, catalogue of the Gendai Tōshokuten 2025
  9. NBTHK, results of the Gendai Tōshokuten 2026

On this site

  1. The profile of the first Gassan Sadakazu, who is not his master

    月山貞一 (Gassan Sadakazu)

Image credits

  1. The katana of December 1995, with its wooden scabbard, its tang and its habaki. (katana-1995-conjunto.jpg)

    Photo: dealer in Japan.

  2. The 1995 katana, on both sides. (katana-1995-hoja.jpg)

    Photo: dealer in Japan.

  3. The side with the date, 乙亥年十二月日 (kinoto-i no toshi jūnigatsu hi), with its engraving. (katana-1995-ken.jpg)

    Photo: dealer in Japan.

  4. The side with the signature, 豊前住河野貞光彫同作 (Buzen-jū Kōno Sadamitsu hori dōsaku), with two grooves (二筋樋, futasuji-hi). (katana-1995-hi.jpg)

    Photo: dealer in Japan.