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Teruyasu Fujiwara  |  SKU: TF-DENKA-SJ300

Teruyasu Fujiwara Denka Sujihiki 300mm Aogami Super Kurouchi

Regular price $52,621.00

IMPORTANT: Carbon steel knives can rust or patina quickly if not cared for properly. They require regular cleaning, drying, and oiling. If you are unfamiliar with carbon steel maintenance, we recommend choosing a stainless steel option instead.

Availability

  • St Peters
    2 Bishop St Unit 2 St Peters NSW 2044
  • Crows Nest
    107 West St, Crows Nest NSW 2065
    Pickup only
Detailed Specifications
Line Teruyasu Fujiwara Denka
Profile Sujihiki / Slicer
Bevel Type Double Bevel
Weight 288 g | 10.2 oz
Edge Length 300 mm | 11 13/16″
Heel Height 43 mm | 1 11/16″
Width @ Heel 3.1 mm | 1/8″
Width @ Mid 2.6 mm | 7/64″
Width @ 1cm from Tip 1.3 mm | 3/64″
Steel Blue Super / Aogami Super | Carbon
Blade Construction Sanmai - Stainless Clad
Hardness (HRC) 62 - 65
Surface Finish Kurouchi
Handle Western Pakka Wood with Bolster
Region Tokyo
Best for
  • Pro chefs
  • Enthusiasts
  • Collectors
  • Free shipping for knives over AU$200 Australia wide.
  • World-wide shipping via DHL Express, 3 to 5 days.




The Teruyasu Fujiwara Denka no Hoto line is widely regarded as the pinnacle of Fujiwara’s craft and one of the most revered series of Japanese kitchen knives. The name Denka no Hoto (伝家の宝刀) literally means “the treasured sword handed down through generations,” a phrase in Japanese that signifies one’s ultimate, most prized creation. Hand-forged in Tokyo by master smith Teruyasu Fujiwara IV, each Denka blade embodies this philosophy, uniting tradition, innovation, and uncompromising performance. At its core is Aogami Super steel, hardened to extreme levels for unmatched sharpness, edge retention, and ease of sharpening. To make the knives more practical, Fujiwara pioneered the use of stainless cladding around the carbon core, reducing rust while preserving the superior edge. Finished with rustic kurouchi or hammered textures, Denka knives carry both wabi-sabi aesthetics and extraordinary cutting power. Treasured by chefs and collectors alike, they represent Fujiwara’s ultimate heirloom-worthy work.

Pros Cons
  • Excellent performance
  • Workhorse grind
  • Exceptional profile
  • Relatively hard to sharpen
  • High budget
  • Prone to rust
Care Instruction
  1. Don't cut hard things! Japanese knives are brittle so bone hacking is a NO NO!
  2. Wash with neutral detergent after use, and wipe dry;
  3. Please don't wash knife with dishwasher, it will damage the wood handle;
  4. Be careful not to leave the knife close to a heat source for a long time;
  5. It is a lot more dangerous to cut with a blunt knife than a sharp knife!
  6. It is best to sharpen a Japanese knife regularly on a waterstone.
  7. Oil the (carbon) knife if storing for an extended period of time to prevent rust.

Teruyasu Fujiwara

Teruyasu Fujiwara — Swordsmith Turned Kitchen Knife Master

Teruyasu Fujiwara is a Japanese cutlery brand rooted in a swordsmithing lineage dating back to the 1870s. Today’s master, Teruyasu Fujiwara IV, continues the family craft in Tokyo, applying traditional katana forging methods—such as san-mai (three-layer lamination) and meticulous heat treatment—to create exceptional kitchen knives. Fujiwara is widely recognized as a pioneer of stainless-clad carbon-steel blades, an innovation that blends the razor-sharp edge retention of carbon steel with the ease of stainless maintenance. His knives, including the renowned Maboroshi and Denka lines, often feature high-carbon steels like Shirogami #1 and Aogami Super, clad in stainless or finished with rustic tsuchime or nashiji textures. The result is a blade that combines sharpness, durability, and character, cherished by chefs and collectors worldwide. Teruyasu Fujiwara’s work embodies both functional artistry and heritage craftsmanship, making his knives some of the most celebrated in Japanese cutlery.

Read more

Founded in the late 19th century, the Fujiwara family began as swordsmiths before transitioning into cutlery after the decline of traditional sword demand. Today, Teruyasu Fujiwara IV carries this legacy from his workshop in Tokyo, forging knives that merge centuries-old craftsmanship with modern innovation. Each blade is hand-forged using techniques derived from katana making, including san-mai lamination and carefully controlled heat treatment, ensuring remarkable sharpness and strength.

Fujiwara’s most significant contribution to modern cutlery is the introduction of stainless-clad carbon-steel blades. This breakthrough combines the unmatched edge performance of high-carbon steels with the practicality of stainless steel cladding, offering reduced maintenance without sacrificing cutting ability. He works primarily with Shirogami #1 and Aogami Super, steels known for their hardness, edge retention, and fine sharpening qualities. Many blades feature distinctive finishes such as hammered tsuchime or textured nashiji, emphasizing both utility and wabi-sabi aesthetics.

Signature lines like the Maboroshi and Denka exemplify his craftsmanship, offering gyuto, santoku, petty, sujihiki, and nakiri styles in both Japanese and Western handle configurations. These knives are celebrated for their extraordinary sharpness, long-lasting edges, and the sense of individuality that comes from hand-forged production.

Among chefs and enthusiasts, Fujiwara knives hold a near-legendary reputation. Their balance of performance and artistry, along with the heritage of a multi-generation smithing family, makes them highly sought-after around the world. Subtle imperfections—considered part of the handmade character—add to their authenticity rather than detract from it.

With their unique blend of tradition, innovation, and personality, Teruyasu Fujiwara knives are often considered heirloom pieces, capable of serving chefs for a lifetime and being passed down through generations. They stand as enduring symbols of Japanese blacksmithing excellence and culinary culture.

“Tokyo swordsmith lineage — 150 years of Edo blade craft, now forging kitchen knives by hand.”

Est. 1870 | 明治3年
Known for Hand-forged carbon steel knives using Edo-era swordsmithing techniques
Website teruyasu.net Read more about Teruyasu Fujiwara
Teruyasu Fujiwara — Tokyo
Profile: Sujihiki
Profile

Sujihiki

Slicer

The Sujihiki, also known as Sujibiki, stands out as a Japanese slicing knife, characterized by a thinner and sharper edge than those found in Western kitchens. Its long blade is ideally crafted for the artful, thin carving of proteins and for slicing terrines and patés with finesse. Blade lengths span from 210mm to 300mm (8.3 to 12 inches), with 240mm and 270mm being particularly favored for their balanced cutting length and agility. When used for their intended purpose Sujihiki has a significant advantage: the slimmer blade will have less surface contact with the soft protein, and lead to reduced frictions during the cut compare to Gyuto as this type of food would "grip" the blade from pushing forward. In addition, the generally flat profile of Sujihiki is a perfect match for slicing tasks, when paired with a carbon steel core, they are some of the best tools for portioning large piece of meat, they can also act as the perfect melon cutter occationaly.
Composition

Blue Super / Aogami Super Element Composition

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    Blue Super / Aogami Super
    2.0% 1.5% 1.0% 0.5% 0
    C Carbon 1.4%
    Primary hardening element. Raises hardness and wear resistance — but too much increases brittleness and corrosion susceptibility. As a reference: German 1.4112 (~0.5%) sits at the low end; VG-10 (~1.0%) is a common mid-range; SG2 (1.25–1.45%) and ZDP-189 (~3.0%) represent high and extreme ends respectively.
    C
    1.4%
    Cr Chromium 0.3%
    Raises corrosion resistance; 13%+ qualifies steel as stainless. Also improves hardenability and wear resistance. In kitchen use, higher chromium levels contribute to a slight drag or sticking sensation when cutting — a trade-off for the rust resistance it provides.
    Cr
    0.3%
    W Tungsten 2.0%
    Forms hard carbides for wear resistance and edge retention. Gives the steel hardness even at elevated temperatures.
    W
    2.0%
    Mn Manganese 0.2%
    Aids hardenability and strength. Acts as a deoxidiser during smelting. Excess can reduce toughness.
    Mn
    0.2%
    Si Silicon 0.1%
    Strengthens the steel matrix and acts as a deoxidiser. Improves hardness and resistance to oxidation.
    Si
    0.1%
    P Phosphorus 0.025%
    Impurity from the smelting process. Even small amounts cause brittleness — steelmakers keep this as low as possible.
    P
    0.025%
    S Sulfur 0.004%
    Impurity that reduces toughness and promotes brittleness. Intentionally added only in free-machining steels.
    S
    0.004%
    C — Carbon Cr — Chromium W — Tungsten Mn — Manganese Si — Silicon P — Phosphorus S — Sulfur
    Hardness 62–65 HRC
    555759616365+
    Steel
    Blue Super / Aogami Super
    Category
    Carbon
    Manufacturer
    Hitachi Special Steel, Japan 🇯🇵
    Hardness
    62–65 HRC
    Steel

    Blue Super / Aogami Super

    • Manufacturer
      • Hitachi Special Steel, Japan
    • Nature Carbon
    • Hardness62–65 HRC
    Aogami Super steel, also known as Blue Super Steel, is highly esteemed among Japanese carbon steels for its exceptional qualities. Produced by Hitachi Metals Ltd., this steel surpasses Blue Steel No.1 in its composition, featuring higher amounts of carbon, chromium, and tungsten, with the addition of molybdenum. Aogami Super is celebrated for its remarkable edge sharpness and superior edge retention capabilities. It can achieve high levels of hardness without becoming brittle, a characteristic that sets it apart and endears it to knife enthusiasts worldwide. The steel's enhanced carbon content enables it to maintain sharpness for extended periods, while the added chromium aids in rust resistance. A touch of vanadium increases its toughness, making it less prone to chipping. These attributes make Aogami Super one of the most revered high carbon steels globally, often described as a knife nerd's dream for its balance of hardness, durability, and maintenance ease.
    Construction: Sanmai - Stainless Clad
    Construction

    Sanmai - Stainless Clad

    Sanmai(Three-Piece) is a common construction for double bevel knives where two pieces of softer cladding steel are forgewelded to each side of a harder core steel. The harder but more brittle core steel will form the hard cutting edge after heat treating, and the softer cladding will support the core to increase the overall strength of the blade.

    The soft cladding enables the thinning process to be a lot easier than a honyaki or monosteel construction. And in the case where the cladding steel are stainless in nature, it can offer protection for the carbon or semi-stainless cores against rusting and discoluoring.

    Finish: Kurouchi
    Finish

    Kurouchi

    Kurouchi refers to the rustic, unpolished finish found on the blade of many traditional Japanese kitchen knives. This blacksmith's finish is characterized by its dark, textured appearance, which is the result of leaving the blade forge-scale on the steel during production. Kurouchi finish not only adds a unique aesthetic appeal but also provides certain practical benefits. It acts as a protective layer against rust and corrosion, and helps to reduce food sticking to the blade during cutting. Commonly seen on high-quality, hand-forged knives, the kurouchi finish emphasizes the artisanal nature of the knife and its heritage, making each piece distinctively unique.

    Handle
    Handle

    Handle Specs

    • Profile Western with bolster
    • Material
      • Pakka Wood

    Western Pakka Wood handle is the common choice for entery level knives, in some cases, they will be made with bolster that is welded to the blade. The Pakka wood created by laminate wood with resin, creating a dense material that can have layers of different color. Compared with natural timber, this engineered wood is harder and absorb less water, in addition, the low cost of production makes it ideal of grip of entry level knife.

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