(志津) designates the work of Kaneuji, a smith of Province counted among the Masamune Juttetsu -- the Ten Great Disciples of Masamune. Kaneuji is said to have relocated from Yamato to in Tagi District, Province, taking the place-name as his own. Works produced before this move, when he signed with the name Kanetsugu (包氏), are distinguished as "Yamato ," a designation that also encompasses, in a broader sense, smiths in Yamato who succeeded to the Kanetsugu name line. A related group, Naoe , refers to later disciples -- Kanetomo, Kanetsugu, Kaneshige, Kanenobu, and others -- who moved within the province to Naoe and forged there. Among the Juttetsu, "is considered to display the style closest to Masamune," a judgment the affirms repeatedly across its appraisals.
The technical hallmark of and Yamato is a manner in which "a Yamato temperament is combined with and elements." The characteristically shows mixed with , flowing overall and tending toward ; fine adheres thickly, with frequent . The typically unfolds as a shallow mixed with and , with , , , and uchi-noke appearing along the . Thick adheres -- "in places especially brilliant appears" -- while and run with great frequency. The commonly shows vigorous , sometimes becoming -like or even -like. Where proper differs from Yamato , the observes that within the temper and a richer admixture of - lead the appraisal toward rather than Masamune, while the -based style and flowing -inclined forging with "conspicuously brilliant " anchor the Yamato attributions.
The consistently characterize these works as "especially forceful and spirited," praising sound preservation -- -- and noting that "both and are rich in internal ." Several blades are commended for retaining abundant and a "weighty presence," while the finest examples display a -like impression through the accumulation of and . Among all the Juttetsu, occupies a singular position: the smith whose workmanship most faithfully inherits Masamune's manner, yet whose own distinctive , flowing , and vigorous activities firmly establish an individual identity within the broader lineage.