Brand concept "Kireru" Cutting with the knife is fun

Our concept of "cutting" goes beyond merely severing materials; it also suggests the "fun" and "deliciousness" that lies ahead.
Our concept of Cutting suggests the tradition, technology, knowledge, and trust that we possess.
Our concept of "cutting" suggests offering a lifelong product that fosters a deep attachment to it.

Commitment to quality

A series of process is always the same through a year.
The sharpness is always the same even though the patterns are different.
Iron becomes softer when heated, allowing it to be shaped freely and create blades that meet the user's needs
The knife hardly chips. It is durable. It is easy to sharpen.
We don't take it for granted, We keep pursuing knives.

Steak Knife with Sheath

A special collaboration with Thierry Marx, the legendary French chef renowned for his deep admiration of Japan.
The handle grip is crafted from carefully selected Japanese woods, symbolizing the spirit and craftsmanship of Japan.
Featuring a straight-edged blade, this steak knife delivers a sharpness comparable to a Japanese kitchen knife, allowing each cut to bring out the meat’s natural flavor and juiciness to the fullest.
Where Japanese craftsmanship meets French culinary excellence.

“TSUBAME-SANJO” x “THIERRY MARX”

The factory brands “Chozaburo” from Tsubame-Sanjo have developed new products through collaboration with Thierry Marx.
These tableware fuse Mr. Marx's passion for Japanese culture and its spirituality with the exceptional craftsmanship of Tsubame-Sanjo, rooted in tradition and metalworking techniques.
It incorporate Japanese stylistic beauty while prioritizing functionality and environmental consideration, making them truly exceptional pieces.
Enjoy the finest dishes alongside these products, designed with the image of an actual plate served at his restaurant <ONOR> in mind.

Thierry Marx

As one of the leading chefs in French cuisine, he has communicated his culinary philosophy in various ways through restaurants, as well as his boulangerie.
Meanwhile, martial arts, particularly judo, remain an indispensable part of his life, continuing to profoundly influence him.
His deep respect and admiration extend to Japan and Japanese culture, the source of this spirit. Guided by the belief that “cooking creates everything in the world,” he hosts the <Salon du BON> event in Paris, spotlighting like-minded chefs and producers, exceptional ingredients, culinary tools, and table art.
He passionately dedicates himself to discerning “what is truly good” in all aspects of food, widely communicating its value, and passing it on to the future.

Specification

Overall Length: 242 mm (with sheath) / 230 mm (without sheath)
Blade Length: 120 mm
Handle Length: 110 mm
Materials: Common Components:
Core Steel: Stainless Steel.
Katura:Laminated Wood.
Shape: Octagonal.
Others:Magnet
Handle Materials: Red Zelkova
Zelkova
Cherry Wood
Hinoki (Japanese Cypress)

Handle & Katura: Kaneko Sogyo Co., Ltd.

The handle is produced by Kaneko Sogyo Co., Ltd., a company with extensive experience in manufacturing a wide range of wooden products.
Having worked with wood for many years, the company brings careful craftsmanship and reliable quality to every handle they produce.
Each time you hold the knife, you can feel the refined quality and the spirit of local craftsmanship.

Blade: Ikarashi Hamono Kogyo Co., Ltd.

The blade is produced by Ikarashi Hamono Kogyo Co., Ltd., a long-established manufacturer founded in 1943.
Through many years of experience, the company has developed advanced forging techniques to produce high-quality blades.
Their manufacturing process incorporates a traditional forging method known as Hiuchi forging, in which steel is repeatedly hammered to increase its strength.
By combining this traditional technique with modern manufacturing processes, the blade achieves an ideal balance of toughness and resilience.
This technology has enabled the production of durable and sharp tools such as pruning shears, hedge shears, and hatchets—tools designed to withstand demanding work.

Type

red zelkova SKA-1
Zelkova SKK-2
cherry wood SKS-3
TypeJapanese cypress SKH-4

Stainless steel Knife
「SAKU」series

「A Knife Crafted with the Skill, Quality, and Spirit of Tsubame-Sanjo」
Built upon generations of metalworking expertise from Tsubame-Sanjo, we went beyond the conventional stainless silver finish and applied a refined blackened blade treatment, giving the knife a sense of depth, dignity, and presence.
More than just beautiful, it offers high-level practicality—designed for both home kitchens and professional environments.
It supports everyday cooking with reliable sharpness and effortless handling.
From machining to final finishing, every step is completed in Sanjo, Japan.
We pour our craftsmanship, quality, and passion for manufacturing into every single knife.

Saku — A Knife That Brings Smiles to Life

The word “Saku” means “to bloom” or “to open,” like a flower or bud.
Historically, it also carries the nuance of “to smile” or “to laugh.”
By using this knife, cooking becomes more enjoyable, delicious dishes are created, and smiles and conversations naturally bloom around the table.
With this wish for a continuous chain of happiness, we named this knife Saku.
The name also echoes the Japanese onomatopoeia “saku,” expressing a light, crisp, and satisfying cutting sensation.
Light in motion. Joyful in use.
Saku is a stainless steel knife designed to make everyday moments bloom with smiles.