His style
His preferred jihada is ayasugi-hada, with a suguha hamon: so are his tachi, such as one of 78.8 cm with bōhi, and his tantō. He also makes itame with notare or notare-gunome, and in 2021 a katana with sudare-ba. Ayasugi-hada is the hallmark of the Gassan school, that of his master.
The prize-winning katana
- 2023, second prize of excellence: 75.8 cm (2 shaku 5 sun), sori of 5 bu 6 rin, 935 g, notare hamon on itame, signed 近江國貞豊 (Ōmi no kuni Sadatoyo).
- 2022, first effort prize: katana of 76.0 cm signed 貞豊 (Sadatoyo). Notare hamon on itame.
- 2019, first effort prize for tantō: a tantō of 26.9 cm signed 貞豊 (Sadatoyo).
What he forges AT
Tachi and kodachi, katana, wakizashi, tantō, kaiken and kogatana, all with their measurements, their hamon and their jihada. He also makes omamori-gatana (守り刀, mamori-gatana), the protective sword given at the birth of a child or at a wedding, and tamahagane knives.
Gallery of works
Katana of 75.8 cm, 2023 prize of excellence Photo: the smith himself 
The point of the 2023 katana Photo: the smith himself 
The middle of the 2023 katana: itame jihada Photo: the smith himself 
Another stretch of the 2023 katana Photo: the smith himself 
The nakago of the 2023 katana, signed 近江國貞豊 (Ōmi no kuni Sadatoyo) Photo: the smith himself 
Katana of 76.0 cm, 2022 effort prize Photo: the smith himself 
The middle of the 2022 katana Photo: the smith himself 
Katana of 2021 with a sudare-ba hamon Photo: the smith himself 
The 2021 katana with a sudare-ba hamon, upright Photo: the smith himself 
Katana of 2023 with ayasugi-hada and a suguha hamon Photo: the smith himself 
Katana of 2024, notare hamon on ayasugi-hada Photo: the smith himself