Ajikataya hatchets are produced by Hinoura Hamono. These hatchets are awesome and I can’t say enough good things about them. 

Detailed Spec

Brand: Ajikataya 味方屋
Smith: Hinoura Blacksmith 日野浦刃物
Producing Area: Sanjo-Niigata/ Japan
Size: 240mm 
Steel Type: Carbon Steel
Steel: Yasuki White (Shirogami) #2, Soft Iron Clad
Handle: Ho Wood
Come with Saya
Total Length: 424mm
Edge Length: 248mm 
Blade Height: 45mm 
Thickness: 6.5mm
Handle Length: 165mm 
Weight: 476g