三原正家
Mihara Masaie
Description
## Mihara Masaie and the Bingo Mihara School Mihara Masaie was a swordsmith active in Bingo province (present-day Mihara City, Hiroshima Prefecture) from the Nanbokuchō period into the early Muromachi era, and stands as one of the most celebrated masters of the Mihara school. The Mihara school is considered to derive from the Yamato tradition, maintaining its characteristic aesthetic through an era dominated by the flamboyance of Bizen-den and Sōshū-den. The city of Mihara occupied a strategic position on the San'yōdō route, with good access to iron sand and charcoal for blade production. Masaie's era saw the transition from the chaos of the Nanbokuchō civil war to the early stabilization of the Muromachi shogunate. Bingo at this time occupied a cultural middle position between Bizen to the west and Yamato to the east, yet Masaie chose to preserve the Yamato tradition's essential character rather than be absorbed by the more fashionable schools surrounding him. ## Faithful Preservation of the Yamato Tradition Masaie's most notable quality is his fidelity to the technical and aesthetic essence of Yamato-den. His hamon is primarily suguha with ko-gunome and ko-midare, maintaining the dignified nie-based treatment characteristic of Yamato work. Deep nioi, a softly rounded hamon edge, and an introspective depth rather than outward brilliance define his aesthetic — a quiet world entirely unlike the chōji of Bizen or the hitatsura of Sōshū. The jigane shows itame mixed with masame, producing a soft, cohesive surface. Rather than the brightly luminous jigane associated with pure Yamato work, Mihara blades tend toward a calm grayish tone that is thought to reflect the properties of Bingo iron sand. Utsuri is rare or faint when present. ## Form and Function Masaie's blades tend toward more restrained dimensions than the general Nanbokuchō trend, adapting readily to practical uchigatana and wakizashi formats. This preference for functional beauty over martial grandeur served the practical needs of local warriors and merchants, and was a key reason the Mihara school continued as a locally rooted swordmaking community for generations. ## The Mihara School's Continuity Masaie's lineage produced many successors — Masanori, Masahiro, Masakiyo — and sword production continued in Mihara throughout the Muromachi period. Even after the rise of the Mōri clan in the Hiroshima area the school continued under Mōri patronage through the Sengoku era. This long continuity proves the effectiveness of the "locally grounded, functional Yamato-den" path that Masaie established. ## Masaie and DATEKATANA DATEKATANA presents Mihara Masaie to honor the sincerity of a regional master who chose a quiet path. Not Bizen's brilliant chōji, not Sōshū's dramatic hitatsura, but the tranquil suguha of Yamato preserved in the soil of Bingo — Masaie's choice was not mere conservatism but a clear aesthetic position. His understated beauty continues to hold quiet conviction.
Famous Works
- 太刀(重要文化財)
- 刀(重要美術品)