KIREAJI Blog About Japanese Knives

White Steel #1 vs. White Steel #2: Which is Right for Your Japanese Knife?

White Steel #1 vs. White Steel #2: Which is Rig...

White Steel #1 and White Steel #2 are among the most popular materials used in Japanese knives. This guide compares their unique characteristics and performance to help you choose the...

White Steel #1 vs. White Steel #2: Which is Rig...

White Steel #1 and White Steel #2 are among the most popular materials used in Japanese knives. This guide compares their unique characteristics and performance to help you choose the...

The Secrets Behind Knife Warping: A Master Craftsman's Perspective

The Secrets Behind Knife Warping: A Master Craf...

Discover the hidden science behind why knives warp. Explore the intricate metal structures, a craftsman's relentless quality control, and the surprising metallurgical processes that create the perfect blade. Unveil the...

The Secrets Behind Knife Warping: A Master Craf...

Discover the hidden science behind why knives warp. Explore the intricate metal structures, a craftsman's relentless quality control, and the surprising metallurgical processes that create the perfect blade. Unveil the...

Why Kitchen Knives Become Dull

Why Kitchen Knives Become Dull

Knives are an essential tool in every kitchen, yet they often lose their sharpness quicker than we'd like. But what causes this dulling? You might think it's from cutting food,...

Why Kitchen Knives Become Dull

Knives are an essential tool in every kitchen, yet they often lose their sharpness quicker than we'd like. But what causes this dulling? You might think it's from cutting food,...

Vacuum Heat Treatment: Forging the Ultimate Blade

Vacuum Heat Treatment: Forging the Ultimate Blade

Vacuum quenching technology is revolutionizing the culinary world. This method, which fuses cutting-edge science with traditional knife-making techniques, achieves astonishing sharpness and durability. We delve into the secrets of next-generation...

Vacuum Heat Treatment: Forging the Ultimate Blade

Vacuum quenching technology is revolutionizing the culinary world. This method, which fuses cutting-edge science with traditional knife-making techniques, achieves astonishing sharpness and durability. We delve into the secrets of next-generation...

Why a High-Quality Knife Is the Essence of Your Cooking Journey

Why a High-Quality Knife Is the Essence of Your...

More Than Just a Tool Cooking is not merely the act of preparing food—it is part of our daily rhythm, a ritual that nourishes both body and spirit. At the...

Why a High-Quality Knife Is the Essence of Your...

More Than Just a Tool Cooking is not merely the act of preparing food—it is part of our daily rhythm, a ritual that nourishes both body and spirit. At the...

ZDP189 Yanagiba (Sakimaru) 420mm-Mirror Polished(both sides)

Discover the Allure of Forged Knives

Forged knives represent the pinnacle of craftsmanship, where strength, durability, and beauty converge. Each KIREAJI knife is meticulously handcrafted by skilled artisans in Sakai, Japan. When you hold one of...

Discover the Allure of Forged Knives

Forged knives represent the pinnacle of craftsmanship, where strength, durability, and beauty converge. Each KIREAJI knife is meticulously handcrafted by skilled artisans in Sakai, Japan. When you hold one of...

  • 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.