Mikisyo Hamono is a multigenerational kogatana making blacksmith shop in Miki Japan. The blade you see here is a type of kogatana called a Unagi knife and is specifically made to clean and process eels in the food industry. There are about 80 registered traditional craftsmen blacksmiths. He said there used to be dozens of kogatana blacksmiths in his town 50 years ago but now there are only two. Mr. Nagaike is one of them. His name is Hiroyuki Nagaike, born in 1939, and when calling him as a craftman, he changes the first name to Kohsetsu, namely Kohsetsu Nagaike.
Business Name: Mikisyo
Location: Miki City, Japan
Blacksmith: Hiroyuki Nagaike
Construction: Hammer Forged/Ni Mai
Edge Steel: White #2 Carbon Steel
Cladding: Soft Iron
Edge: Single Bevel Right Sided
Weight: 5.5oz / 156g
Edge Length: 60mm
Overall Length: 186mm
Spine Thickness at Heel: 4mm
Here is a video of the master of kogatanas:
Here is a video of the master of kogatanas: