Previous answer is
　　 Mumei (Nagamitsu)

Special feature: Nagamitsu is a child of Mitsutada, the founder of the Osafune school.
The largest number of existing works in the Kamakura period
In each case, It is known that there was no unevenness and the skill was substantial.
His blades are magnificent sword with a feeling of inheriting his father's skil.
The blade is elegant shape. He makes Hamon which is briliant Choji Midare and calm Sugua base Hamon.
This blade has well grained Ko Itame Hada with Jinie attach. There are Chikei.
The Hamon is Choji Midare, Ko Choji Midare, Ko Gunome Midare, and Ko Notare.
The Nioikuchi is bright. There is no height in the Hamon.
The characteristics of Nagamitsu well shown. can be seen on Jigane and Hamon.

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Appraisal Quiz #633 (March 27th, 2020)
Who made this sword do you think ?
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Blade length : 69.6 cm or 27.40 inches.
Sori : 2.0 cm or 0.78 inches.
Mekugi : 2
Width at the hamachi : 2.86　cm or 1.12 inches.
Kasane : 0.78 cm or 0.30 inches.
Shape : O-Suriage. Wide and Sori is slightly shallow Naginata Naoshi style Katana.
Jitetsu : Itame Hada and Mokume Hada mixed with Jinie attach.
There are Shirake Utsuri.
Hamon : Nie Deki, Ko Gunome Midare with Togari Ba.

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