Mikisyo Hamono is a multigenerational blacksmith shop in Miki Japan specializing in making kogatanas. There are about 80 registered traditional craftsmen blacksmiths. There used to be dozens of kogatana blacksmiths in his town 50 years ago but now there are only two. Mr. Hiroyuki Nagaike, born in 1939, is one of them! Below is a video of the master of kogatanas:
Business Name: Mikisyo
Location: Miki City Japan
Blacksmith: Hiroyuki Nagaike
Construction: Hammer Forged/Ni Mai
Edge Steel: Blue #2
Cladding: Soft Iron
Edge: Single Bevel Right Sided
Weight: 2.2 oz/ 62g
Blade Length: 52mm
Overall Length: 178mm
Spine Thickness at Heel: 2.7mm
Blade Height at Heel: 24.3m