Previous answer is
Mumei(Unjuu)

Special feature : Unjuu was working from late Kamakura period to Nanbokucyo period. At that place, Unsyo, Unji, and Unjyu were well known sword maker which is called Ugai school or Unrui. Unrui scholl looks similar with Aoe school.

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Appraisal Quiz #494 (July 7th, 2018)
Who made this sword do you think ?
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Hints. ※The picture will be enlarged

Blade length : 60.4 cm or 23.77 inches.
Sori : 1.5 cm or 0.59 inches.
Mekugi : 2
Width at the hamachi : 3.08 cm or 1.21 inches.
Width at the Kissaki : 2.35 cm or 0.92 inches.
Kasane : 0.66 cm or 0.25 inches.
Shape : Orisuage, wide Katana.
There are Bo-Hi on both side of the blade.
Jitetsu : Itame Hada and Masame Hada well grained with Jinie attach.
There are Chikei.
Hamon : Ko-Notare and Gunome Midare.
There are Togari-Ba. In Ha, there are many Sunagashi and Kinsuji.

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