Previous answer is
　　Mumei (Taima)

Special feature:It is said that swordsmiths came out from the very beginning of the
Yamato Five Schools, but from the end of the Heian period to the Kamakura period
There are Taima, Hosyo, Senjyuin, Tegai, and sikkake, but each shrine and temple
exists in Yamatoni. It is said that there were monks to protect those temples. Each area
has its own characteristics. The Taima l faction is in the late Kamakura period Kuniyuki
was the ancestor of theKamakura period. Generally, there are very few well-known
works, and the reason is the work of the temple and shrine monk soldiers. It is derived
from whattemple or shrine belonged to. There are few famous works of the Taima
school, but Kuniyuki's famous works are designated as national treasures and important
cultural properties.

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Appraisal Quiz #637 (April 24th, 2020)
Who made this sword do you think ?
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Blade length :　60.6　cm or 23.85 inches.
Sori :1.52 cm or 0.59 inches.
Mekugi : 　1
Width at the hamachi : 3.15cm or 1.24 inches.
Width at the Kissaki : 2.3 cm or 0.90 inches.
Kasane : 0.7cm or 0.27 inches.
The weight of the sword 645 grams.
Shape : Wide and thick Katana with deep Sori, longer Kissaki.
There is some Suriage.
Jigane : Ko Itame Hada well grained with Jinie attach.
The Jigane is clear.
Hamon : Nie Deki, Gunome Midare with deep Nioikuchi and wide Ashi. Habuchi is soft. In the Ha, there are Sunagashi and Kinsuji.
Boshi is round shape with deep Nioikuchi. The tip is Hakikake style.

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