🛠️ Invention or technique

Samurai armour (ō-yoroi and dō-maru)

Armadura samurái (ō-yoroi y dō-maru)

Date
c. siglos X-XII · confidence low
Place
Kyoto, Japan
Credited to
Bushi warriors of the Heian period
Field
Conflict

What it is

Armour of small lacquered iron and leather scales laced with silk cords, designed for the mounted archer: the rigid ō-yoroi and, later, the lighter dō-maru for foot soldiers. Its design of articulated shoulder guards and skirts absorbed blows.

Lamellar armours already existed in the Kofun period (tankō and keikō, 4th-5th centuries); the ō-yoroi is the classic form fixed around the 10th-12th centuries.

What it led to

  • plate-lamellar armours of the Sengoku era
  • kabuto helmets and menpō masks
  • aesthetics and status of the Japanese warrior class
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Sources✓ verified 2026-11-04