The lineage stands among the most distinguished metalworking families of the period, rivaling the Gotō house in reputation and surpassing all others in the production of . Active primarily in Kyoto, the school's work—praised simply as ""—reflects the vigorous artistic spirit of the late sixteenth and early seventeenth centuries. The mainline tradition is particularly associated with Myōju, whose innovations in material and technique opened new expressive dimensions within the world of sword fittings. From the Keichō era onward, the family's mastery of both tōsōgu and construction ensured their prominence among sword-related artisans serving upper-ranking warrior households.
The school's aesthetic is characterized by precise filework and inventive use of materials. Iron and soft-metal alloys—, (unrefined copper), and brass—were employed to achieve varied surface textures, often adorned with the hira-zōgan (flat inlay) technique credited to Myōju's innovation. Signature features include (moss-filed) ground finishes applied with exacting control, diagonally set file marks that reveal the hand of the maker, and careful modeling of flat planes that yields an abundance of calm beauty. On solid-gold , stylized motifs such as butterflies or cherry blossoms are pierced with penetrating attention to detail, while the rim construction—often or with added twist—demonstrates technical sophistication. The school's pictorial compositions, whether bold openwork of paulownia crests or polychrome inlay of wild grapes, balance expansive design with lively movement.
The tradition exerted significant influence on Kyoto metalwork throughout the period, interacting stylistically with the Gotō, Hirata, and Shōami groups. Their thorough understanding of construction is evident in subtle refinements such as the graduated contour of the , designed to harmonize blade and hilt. Solid-gold examples—frequently melted down during periods of upheaval—are now exceptionally rare, making surviving -period works particularly esteemed. The family's ability to merge sumptuous materials with restrained elegance secured their reputation as masters whose fittings have enhanced innumerable celebrated swords.