Seki in Mino province supplied the base for the Kanesada line, whose blades the NBTHK places among the representative work of the Mino-den in the closing phase of the Muromachi period. The setsumei consistently pair Kanesada with Kanemoto as the two leading masters of Sue-Seki, the late Seki group active with Seki as its center, where (as one 31st-session katana notes) the Mino smiths flourished second only to Bizen. Within the line the signatures sort by how the character sada (定) is cut: when the element under the u-kanmuri (う冠) appears as 之, the smith is called Nosada (之定), and when it appears as 疋, Hikisada (疋定). Several generations and individuals carried each name, which the Imperial-collection tantō (Kotō #85 to #87) state makes precise identification difficult; a kanwaku of ordinary workmanship is mentioned alongside them, and one entry records that a Kanesada was called Hachiya Seki, residing at Hachiya in the same province. The standout is the second-generation Izumi no Kami Kanesada, the Nosada the records single out for high technical ability and for receiving, rare in the kotō era, the court title Izumi no Kami. Per the Kotō Mei Shūroku cited in the 14th Tokuju setsumei, he first cut sada in kaisho (standard script) and shifted to the 之 form, the change placed by extant works between the eleventh month of Meiō 8 and before the eighth month of Meiō 9, with Nosada signatures running on to about Daiei 6 (1526). Several blades carry domain provenance: Nosada works pass through the Tosa Yamanouchi, Akita Satake, Shimazu, and Tatebayashi Akimoto families, and one was made for Takeda Nobutora, father of Shingen. The shared vocabulary the setsumei draw is a refined itame-hada, frequently mixed with nagare (flowing grain) or mokume and tending to stand up as hada-dachi, carrying ji-nie, chikei, and very often a whitish shirake-utsuri. Against Kanemoto's pointed, togariba-dominant sanbon-sugi, Kanesada is defined by variety: rounded gunome, ko-notare, and gunome-chōji, with togariba and yahazu-like elements mixed in, ashi and yō entering, sunagashi and kinsuji running, and a nioiguchi the records repeatedly call bright and clear (saeru). A second register is the elegant suguha the setsumei name Rai-utsushi, an evocation of Rai work that the 30th-session tantō likens directly to Rai Kuniyoshi; the 45th-session tantō ties the same Kyō-modeled chū-suguha to a Nosada early signature.

The hand is read most clearly in Nosada: a gunome-chōji base broken into modest rises and falls, a jigane that is brighter and more thoroughly nerareta (well-kneaded) than ordinary Sue-Seki, and, on katana, a slender to standard mihaba with pronounced taper and slightly elevated sakizori. When Nosada turns to notare the silhouette broadens with a larger kissaki. The bōshi runs midare-komi to ko-maru, at times Jizō-flavored, and a mizukage-like stand-up at the machi recurs. Lesser Kanesada and the Hikisada works read as plainer and, where togari-heavy gunome dominates a tantō, the Imperial entries judge the manner unusual and late. For kantei the registers converge on Seki signatures: taka-no-ha (and on tantō often higaki) yasurime, ubu kurijiri or, in later years, iriyama-gata tangs with sujikai file, and the diagnostic 之-versus-疋 reading of sada. Tang-form drift, higaki kurijiri giving way to sujikai iriyama-gata, lets the 50th-session tantō be dated to late Daiei. The cutting reputation is carried in metal: kinzōgan cutting-test inscriptions appear on the 14th-session Tokuju katana, owned as a personal sash-sword by Miura Shōgen, karō of the Kii Tokugawa, and on a 58th-session katana, while another names Kosuga Tatewaki of the Tsuyama Matsudaira and another the Nawa cutting record. The Jūyō-Bijutsuhin Nosada for Takeda Nobutora is recorded in the Kokon Kaji Bikō and Mino-tō Taikan; the 62nd-session katana survives in the oshigata of Kōzu Haku. On this evidence the line holds standing as the Mino tradition's most accomplished late voice, Nosada its peak hand for a brightness and refinement uncommon for Seki. Learn more →

Seki in Mino province supplied the base for the Kanesada line, whose blades the NBTHK places among the representative work of the Mino-den in the closing phase of the Muromachi period. The setsumei consistently pair Kanesada with Kanemoto as the two leading masters of Sue-Seki, the late Seki group active with Seki as its center, where (as one 31st-session katana notes) the Mino smiths flourished second only to Bizen. Within the line the signatures sort by how the character sada (定) is cut: when the element under the u-kanmuri (う冠) appears as 之, the smith is called Nosada (之定), and when it appears as 疋, Hikisada (疋定). Several generations and individuals carried each name, which the Imperial-collection tantō (Kotō #85 to #87) state makes precise identification difficult; a kanwaku of ordinary workmanship is mentioned alongside them, and one entry records that a Kanesada was called Hachiya Seki, residing at Hachiya in the same province. The standout is the second-generation Izumi no Kami Kanesada, the Nosada the records single out for high technical ability and for receiving, rare in the kotō era, the court title Izumi no Kami. Per the Kotō Mei Shūroku cited in the 14th Tokuju setsumei, he first cut sada in kaisho (standard script) and shifted to the 之 form, the change placed by extant works between the eleventh month of Meiō 8 and before the eighth month of Meiō 9, with Nosada signatures running on to about Daiei 6 (1526). Several blades carry domain provenance: Nosada works pass through the Tosa Yamanouchi, Akita Satake, Shimazu, and Tatebayashi Akimoto families, and one was made for Takeda Nobutora, father of Shingen. The shared vocabulary the setsumei draw is a refined itame-hada, frequently mixed with nagare (flowing grain) or mokume and tending to stand up as hada-dachi, carrying ji-nie, chikei, and very often a whitish shirake-utsuri. Against Kanemoto's pointed, togariba-dominant sanbon-sugi, Kanesada is defined by variety: rounded gunome, ko-notare, and gunome-chōji, with togariba and yahazu-like elements mixed in, ashi and yō entering, sunagashi and kinsuji running, and a nioiguchi the records repeatedly call bright and clear (saeru). A second register is the elegant suguha the setsumei name Rai-utsushi, an evocation of Rai work that the 30th-session tantō likens directly to Rai Kuniyoshi; the 45th-session tantō ties the same Kyō-modeled chū-suguha to a Nosada early signature.

The hand is read most clearly in Nosada: a gunome-chōji base broken into modest rises and falls, a jigane that is brighter and more thoroughly nerareta (well-kneaded) than ordinary Sue-Seki, and, on katana, a slender to standard mihaba with pronounced taper and slightly elevated sakizori. When Nosada turns to notare the silhouette broadens with a larger kissaki. The bōshi runs midare-komi to ko-maru, at times Jizō-flavored, and a mizukage-like stand-up at the machi recurs. Lesser Kanesada and the Hikisada works read as plainer and, where togari-heavy gunome dominates a tantō, the Imperial entries judge the manner unusual and late. For kantei the registers converge on Seki signatures: taka-no-ha (and on tantō often higaki) yasurime, ubu kurijiri or, in later years, iriyama-gata tangs with sujikai file, and the diagnostic 之-versus-疋 reading of sada. Tang-form drift, higaki kurijiri giving way to sujikai iriyama-gata, lets the 50th-session tantō be dated to late Daiei. The cutting reputation is carried in metal: kinzōgan cutting-test inscriptions appear on the 14th-session Tokuju katana, owned as a personal sash-sword by Miura Shōgen, karō of the Kii Tokugawa, and on a 58th-session katana, while another names Kosuga Tatewaki of the Tsuyama Matsudaira and another the Nawa cutting record. The Jūyō-Bijutsuhin Nosada for Takeda Nobutora is recorded in the Kokon Kaji Bikō and Mino-tō Taikan; the 62nd-session katana survives in the oshigata of Kōzu Haku. On this evidence the line holds standing as the Mino tradition's most accomplished late voice, Nosada its peak hand for a brightness and refinement uncommon for Seki. Learn more →