The Fujishima school was a group of swordsmiths based in Province. Documentary tradition transmits that they were disciples of Kunitoshi, with Tomoshige regarded as the school's founder. Some sources alternatively place the lineage within the Sanekage line. While the school's activity is said to extend from the end of the period well into the early modern era, the earliest firmly dated works bear nengō from the Ōei era, and the has noted that no extant pieces can be confidently attributed to before the period.
Fujishima works characteristically display a with a dark, somewhat blackish tone, in which mixed with produces a distinctly northern-provinces flavor. In , the school shows considerable range: some blades present a fine with and in the , evoking a Yamato-like sensibility, while others are tempered in incorporating , elements, and , with well-formed and vigorous . The latter mode, with its tendency toward connected undulations and prominent , is recognized as especially representative of contemporaneous "Hokuriku-mono" -- the distinctive manner of the northern provinces. may also appear.
Designated works encompass , , and , demonstrating the school's versatility across blade forms. The in particular, with their preserving full original tang proportions, provide important evidence for dating the group's activity. Pieces from the early period onward exhibit elements that are at once -like and -like, and it is this composite character -- drawing upon multiple traditions while maintaining a distinctive regional identity -- that defines the Fujishima group's particular scholarly interest.
