Previous answer is
　　Kozuke Kami Sugawara Kanemune(not gurantee)
上野守菅原包宗

Specila feature: Ko-zuke Kami Sugawara Kanemune, also known as Ichiemon, was a sword smith from Settsu and he was said to be descendant of Tegai.

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Appraisal Quiz #692 (May 21st, 2022)
Who made this sword do you think ?
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Blade length : 59.8cm or 23.5 inches.
Sori : 1.04 cm or 0.40 inches.
Mekugi : 2
Width at the hamachi 2、81cm or 1.10 inches.
Width at the Kissaki : 2、16cm or 0.85 inches.
Kasane : 0.56cm or 0.22 inches.
The weight of the sword: 625Grams
Shape : Regular width and deep Sori, Kissaki is longer.
Jigane : Ko-Itame-Hada well grained, Masame mixed and utsuri is visible.
Shinogi: Itame-Hada and Mokume Hada mixed.
Hamon : Nioi Deki Choji Midare with Koashi.

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