The History of Japanese Knives

Why Japanese Knives Took the Shape They Have Today

Japanese knives were not created from a single design idea.
They are tools shaped over time by cooks, ingredients, and real kitchens.
Only the forms that truly worked survived.

In this journal, we explore the history of Japanese knives, their different types, and why each shape exists, from ancient times to the modern kitchen.

Ancient to Early Medieval Japan (Nara–Heian Period, c. 700–1185 CE)

When Knives Were Tools of Ceremony, Not the Kitchen

In the Nara and Heian periods, a hōchō (庖丁) was very different from the kitchen knife we imagine today.

Cooking was a daily act, but cutting itself was treated as a formalized gesture.
Knives were closely tied to:

• etiquette

• ceremony

• social hierarchy

Efficiency was secondary to how one cut, moved, and presented oneself.

Representative Knife: Long-handled Hōchō

• Long handle with a slender blade

• A silhouette closer to a sword than a modern knife

• Designed to keep distance from the ingredient and emphasize posture and movement

At this stage, the evolution of knives was not about sharpness or performance.
It was about defining the role of the knife within culture and society.

Even today, ceremonial Hōchō-shiki performed at Shinto shrines preserves this worldview, where cutting is not judged by efficiency, but by form, order, and respect.

Medieval Japan (Kamakura–Muromachi Period, 1185–1573 CE)

Cooking Becomes a Skilled Profession

With the rise of the samurai class and the growth of cities, places where food was prepared increased rapidly: banquets, temples, and town kitchens.

Cooking shifted from household labor to professional skill.
Fish and seafood became central ingredients, and cooks began to value:

• clean cut surfaces

• minimal damage to ingredients

• both beauty and efficiency

Representative Knife: Tōsu (Utility Knife)

• Small and highly maneuverable

• Easy to carry

• A single knife used for many tasks

The tōsu represents the origin of the “all-purpose knife.”
However, as ingredients and cooking processes expanded, its limitations became clear.

Rather than a sudden invention, single-bevel blades and specialized forms evolved gradually through use and refinement.
This period can be seen as the preparation stage for specialized Japanese knives.

Early Modern Japan (Edo Period, 1603–1868 CE)

When Japanese Knife Types Became Systematic

The Edo period marks a major turning point in Japanese knife history.

With long-lasting peace, swords gradually shifted from practical tools to symbols of status and craftsmanship.
At the same time, urban life flourished. Markets, food stalls, and restaurants created constant demand for everyday cutting tools.

This environment pushed knives away from “one tool fits all” and toward task-specific optimization.

Representative Knife: Deba Knife

The Deba was designed specifically for fish preparation:

• filleting

• cutting through bones

• breaking down whole fish

Its thickness, weight, and blade geometry reflect these exact needs.

During the same period, other core Japanese knives took shape:

• Yanagiba (for sashimi)

• Nakiri (for vegetables)

• Usuba (for refined Kyoto cuisine)

Together, these formed a clear system linking cooking processes to blade shapes.

Modern Japan (Meiji Period to Present, 1868 CE–Today)

The Rise of the Santoku Knife

With modernization came major changes in Japanese diets.
Western cuisine and meat became common, and home cooking styles evolved.

As a result, demand grew for a single knife suitable for everyday household use.

Santoku Knife Characteristics

• Designed for meat, fish, and vegetables

• Shorter blade length for home kitchens

• Taller blade for easy handling

• Rounded, sheepsfoot-style tip

The Santoku knife spread widely after World War II and became the standard Japanese home kitchen knife.

Choosing a Japanese Knife

Inviting History Into Your Kitchen

Japanese knife shapes are not trends or design experiments.
They are forms that survived because they worked in real kitchens.

The line of the blade.
Its thickness.
Its balance and weight.

Each detail has a reason.

Choosing a knife is not just buying a tool.
It is choosing which story of Japanese craftsmanship and cooking culture you invite into your kitchen.