KIREAJI Blog About Japanese Knives

Sharpening Japanese knife from Sakai City.

The Allure and Limitations of Ceramic Knives

Ceramic knives stand out in the culinary world for their lightweight design and rust resistance, yet pose a unique challenge in edge restoration.

The Allure and Limitations of Ceramic Knives

Ceramic knives stand out in the culinary world for their lightweight design and rust resistance, yet pose a unique challenge in edge restoration.

ZDP189 Japanese knife from Sakai City.

Unveiling the Excellence of ZDP189 Steel in Kni...

Unlock the full potential of your ZDP189 Japanese knife, renowned for its unparalleled sharpness retention and rust-resistant properties. Discover essential tips for using this special and rare knife, including how...

Unveiling the Excellence of ZDP189 Steel in Kni...

Unlock the full potential of your ZDP189 Japanese knife, renowned for its unparalleled sharpness retention and rust-resistant properties. Discover essential tips for using this special and rare knife, including how...

Sharpening Japanese knife from Sakai City.

Sharpened knives are more likely to cut your fi...

Discover the adjustments needed when transitioning to a freshly sharpened Japanese knife. Learn to navigate its newfound sharpness safely to avoid accidents and enjoy a more efficient and delightful cooking...

Sharpened knives are more likely to cut your fi...

Discover the adjustments needed when transitioning to a freshly sharpened Japanese knife. Learn to navigate its newfound sharpness safely to avoid accidents and enjoy a more efficient and delightful cooking...

Does your knife really have a sharp edge? You can check it with a certain vegetable.

Does your knife really have a sharp edge? You c...

Learn a quick and easy way to check the sharpness of your Japanese knife with the tomato test. If your knife struggles to cut through the end of a tomato,...

Does your knife really have a sharp edge? You c...

Learn a quick and easy way to check the sharpness of your Japanese knife with the tomato test. If your knife struggles to cut through the end of a tomato,...

Yanagiba Japanese knife from Sakai City.

How are the prices of Japanese kitchen knives d...

Explore the key factors that determine the price of Japanese kitchen knives, including craftsmanship, materials, construction, and manufacturing costs. Learn why investing in a high-quality Japanese knife is essential for...

How are the prices of Japanese kitchen knives d...

Explore the key factors that determine the price of Japanese kitchen knives, including craftsmanship, materials, construction, and manufacturing costs. Learn why investing in a high-quality Japanese knife is essential for...

Japanese Knife forging process

The Art of Forging: Crafting the Finest Japanes...

Delve into the art of Japanese knife crafting, exploring the difference between forging and casting techniques. Discover how forging enhances sharpness and durability in traditional Japanese knives like Honyaki and...

The Art of Forging: Crafting the Finest Japanes...

Delve into the art of Japanese knife crafting, exploring the difference between forging and casting techniques. Discover how forging enhances sharpness and durability in traditional Japanese knives like Honyaki and...

  • The Essence of Knife Making: Crafting a Story Through Material and Shape

    Knife making is not merely the act of producing a tool—it is the art of weaving a story through steel. Every piece of raw material is heated, hammered, and drawn out, gradually transforming from unshaped metal into a blade that feels alive in the hand of its user. The moment when steel responds to the rhythm of the hammer, as if infused with spirit, is where the true joy of the craft lies.

  • What we pursue is not only sharpness, but the “perfect strike” that connects seamlessly with its user. A knife becomes complete only when it carries the story of its making into the kitchen, continuing its journey through the meals and memories it helps create.

  • Each blade, therefore, is more than a tool—it is a story waiting to unfold in your hands.

Our Story

  • Tradition of Sakai, in Your Hands

    "Where can I find a truly great knife?"
    We started KIREAJI to answer that question. While the number of skilled craftsmen is declining in Japan, many people overseas are seeking authentic blades. With that in mind, we carefully deliver each knife—bridging tradition and kitchens around the world.