Kantei

Bibliography

Sources

The sources consulted on 4 October 2026. What is marked as attribution is stated by a source, often the smith himself, and has not been checked separately; not all sources are cited here. The images carry their credit in “Image credits”.

On this page
  1. Sources

Sources

Competitions and official bodies

  1. NBTHK, catalogue of the 現代刀職展 (Gendai Tōshokuten) of 2025: not listed
  2. NBTHK, results of the 現代刀職展 (Gendai Tōshokuten) of 2023, forging section (作刀の部, sakutō no bu): not listed
  3. NBTHK, catalogues of the 現代刀職展 (Gendai Tōshokuten) of 2021, 2022, 2024 and 2026

    Consulted as PDFs; he is not listed in any of them.

On this site

  1. The profile of Ueda Sukesada, with whom he shares the Denshūjo

    Ueda Sukesada (上田祐定, Ueda Sukesada).

Image credits

  1. Yamamoto Sukenaga, in front of the rice fields (retrato-en-el-campo.jpg)

    Photo: the smith himself.
  2. A freshly hardened blade, still unmounted (hoja-recien-templada.jpg)

    Photo: the smith himself.
  3. Forging with several hammers (forja-chispas.jpg)

    Photo: the smith himself.
  4. Sparks from the forge (chispas-de-forja.jpg)

    Photo: the smith himself.
  5. A wakizashi of his, with the signature on the tang (wakizashi-shirasaya.jpg)

    Photo: the smith himself.
  6. His tatara furnace (たたら, tatara), a small one (horno-de-tatara.jpg)

    Photo: the smith himself.
  7. The tatara in operation, with the times noted on the clay (tatara-en-marcha.jpg)

    Photo: the smith himself.
  8. The kera (鉧, kera), the block of steel that comes out of his tatara (kera.jpg)

    Photo: the smith himself.
  9. The signature 備前長船祐永 (Bizen Osafune Sukenaga) on the tang (nakago-mei.jpg)

    Photo: the smith himself.