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His style
He works in the Bizen-den and seeks to revive the utsuri (映り, utsuri) of the Bizen swords of the Kamakura period. Neither the NBTHK lists nor its catalogues describe his blades: no NBTHK commentary on a work of his has been published.
His works in the catalogues HD
- 2017: tantō of 24.5 cm, first prize of excellence.
- 2021: tachi of 82.6 cm, signed 備州住長船広康作之 (Bishū-jū Osafune Hiroyasu kore o saku), and tantō of 23.2 cm: first prize of excellence for both.
- 2022: tachi of 76.2 cm, third prize of excellence, and tantō of 29.0 cm, Kanzan Prize.
- 2023: tachi of 80.5 cm, Kanzan Prize, and a tantō with the second effort prize.
- 2024: tachi of 77.8 cm and tantō of 29.2 cm, signed with 長舩 (Osafune): third effort prize for both.
- 2025 and 2026: tantō of 29.8 cm, third and fifth effort prize.
Several carry in the signature the name of the person who ordered them, with 為 (tame, “for”) or 應需 (ōju, “at the request of”).
Images
The tachi of the 2023 Kanzan Prize, on display Still: Nagano Teruo · © Nagano Teruo · source 
A blade with an engraved dragon, from the portrait 「刀鍛冶 安藤 広康」 (Katanakaji Andō Hiroyasu), 2017 Still: Takatsu Jun'ya · © Takatsu Jun'ya · source 
Still from the short film 「刀鍛冶 安藤広康」 (Katanakaji Andō Hiroyasu), 2019 Still: Takatsu Jun'ya, Nippon Teshigoto Zukan · © Takatsu Jun'ya, Nippon Teshigoto Zukan · source