The Sukesada lineage was the most prolific and celebrated smithing house within the school of late -period Province, collectively termed . According to the Hayami , as many as twenty-one smiths appended a zokumyo (common name) to their signatures while working under the Sukesada name, making this the largest single-name group in the history of Japanese swordsmithing. Among them, the smiths bearing the titles Yosazaemon no Jo, Hikobei no Jo, Genbei no Jo, and Hikozaemon no Jo are regarded as especially accomplished. Yosazaemon no Jo Sukesada stands foremost, his birth calculable to Onin 1 (1467) from an extant inscribed "Tenbun 6, made at age seventy-one," establishing a working career spanning from the Eisho through Tenbun eras across two generations. Genbei no Jo Sukesada, long esteemed for the excellence of his forging, produced dated works from Eisho 2 (1505) through Tensho 11 (1583). Hikobei no Jo is traditionally identified as Yosazaemon's father, while a later Shichibei Sukesada continued the style as the fifth generation descended from the Eisho-era founder.
The Sukesada smiths collectively commanded an extraordinarily broad technical range, yet their works are bound by shared characteristics that define the idiom at its highest level. The forging across the lineage presents a tightly packed with extremely fine , intricately interwoven , and faint -- a refined surface texture that the terms seiryo (excellent quality). The school's signature temper centers on koshi-hiraki -- with an opened waist -- frequently developed into complex, multi-layered (compound) mixing , , and angular elements, at times producing the distinctive formation known as kani no (crab's claws). Yet the lineage was equally accomplished in , where Genbei no Jo Sukesada particularly excelled, producing broad, quiet temper lines enlivened by and with a characteristically tightened . In full , frequent and merge into continuous tempered surfaces of great energy. The activity across the school tends toward the manner that distinguishes work from the -dominant style of earlier production. Their blades characteristically display the standard late : wide with little taper, thick , pronounced , and an extended conveying robust, powerful bearing. The school also produced joint works (), such as the celebrated made collaboratively with Jirozaemon no Jo Katsumitsu for the warlord Ukita Yoshie.
The Sukesada lineage's significance extends beyond individual technical achievement to encompass the sustenance of swordmaking as a living tradition during its final great period of production. Their works were transmitted in the collections of prominent warrior houses -- the Sendai Date, the Mori, the Ikeda of , the Ii of Hikone, and the Shonai Sakai families -- attesting to the esteem in which they were held by contemporary patrons. The consistently distinguishes the Sukesada masters' chumon-uchi (individually commissioned blades) from the mass-produced swords of the period, noting that works of this caliber surpass contemporaneous production from other provinces in technical refinement, and that it is precisely because such works exist that the name has earned its high reputation. Across both the restrained composure of broad and the spirited expansiveness of -inflected pieces, the leading Sukesada smiths demonstrate uniformly (sound and well-preserved) and , bright and vividly clear workmanship, and a versatility that represents the highest standard of accomplishment among the late swordsmiths.