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Craftsman

Kisuke Manaka

KisukeManaka

Blacksmith Sanjo, Niigata, Japan
Profile

The story

The business dates to 1872, and its craft has passed through five generations. The heritage up to the fourth generation worked under the house mark 『マ』, known as kane-Ma: black-finished forged kitchen knives, shears and farm tools, sold from a shop called 間中刃物店. A knife store, in plain words. The fifth generation is the reason it is now called something else.

He entered the workshop in 2005 as apprentice to the fourth-generation smith, 間中保夫. In 2014 he succeeded as fifth generation, renamed the shop Manaka Hamono Tanrenjo (間中刃物鍛錬所), a forge rather than a store, and took the smith-name Kisuke, 貴輔. That is the name on his work. It is a smith-name, adopted at succession, and no source we have records any other. In 2025 he moved the workshop from Saitama, the lineage's historic home, to Sanjo, Niigata. The workshop's own words for why: in pursuit of a higher level. A house that had been in one place since 1872 does not relocate lightly.

What sets him apart is documented in his own pages. He taught himself stainless forge-welding, studying the behaviour and particles of iron through the internet and the library, and worked out heat treatment for stainless and powder high-speed steel on his own. The workshop does not use clad stock pre-bonded from stainless, iron and steel. He attaches the steel, forge-welds, anneals, quenches, tempers, runs the sub-zero treatment, sharpens and fits the handle. One person, the whole way through.

The Kisuke (貴輔) lines map that range. The SUS series is White #2 or Blue #2 under stainless he welded himself. The Blue #1 hon-warikomi is chisel work: soft iron split, Blue #1 set in, the blade forge-welded, water-quenched, listed at approximately HRC 64. The ATS-34 series carries an 18Cr stainless jigane, warikomi construction and sub-zero treatment at the same listed hardness. In 2025 the workshop announced a ZDP-189 line named BEAST, and above it sit 琰-ENN- and 黒琰-KOKUENN-, the ENN flagship a 280 mm three-layer kiritsuke gyuto, Blue #1 at the edge under a jigane of damascus-laminated soft iron and Blue #2. It is sold out.

The last time the workshop published a figure, custom orders carried a wait of a year to a year and a half. It deliberately publishes no phone number, and its homepage asks customers not to confuse it with a similarly named shop nearby. The forge answers; the phone does not.

Gallery

In photographs

Inside the new Manaka workshop: spacious, bright, high ceilings
01Inside the new Manaka workshop: spacious, bright, high ceilings
The spring hammer over the forge pit at Manaka Hamono Tanrenjo
02The spring hammer over the forge pit at Manaka Hamono Tanrenjo
Trays of cut steel blanks waiting on the bench
03Trays of cut steel blanks waiting on the bench
The winter view from the Manaka workshop window
04The winter view from the Manaka workshop window
Manaka Hamono Tanrenjo workshop exterior in the snow, Sanjo
05Manaka Hamono Tanrenjo workshop exterior in the snow, Sanjo
Kisuke Manaka and James Zhang at the Sanjo workshop, February 2026
06Kisuke Manaka and James Zhang at the Sanjo workshop, February 2026
Read

Stories

Snow Country Forge: Visiting Kisuke Manaka in Sanjo Snow Country Forge: Visiting Kisuke Manaka in SanjoReport of visiting Kisuke Manaka's new snow-country Sanjo forge (rebuilt after the 2024 fire), covering his one-man-only output and the Manaka × Xinguo line.Read the story

Frequently asked questions

Who is Kisuke Manaka?

Kisuke Manaka (smith-name 貴輔) is the fifth-generation smith of Manaka Hamono Tanrenjo (間中刃物鍛錬所), a family forging business dating to 1872. He entered the workshop in 2005 as apprentice to the fourth-generation smith, succeeded as fifth generation in 2014, and renamed the former knife store 間中刃物店 into today's forge.

貴輔 is a smith-name adopted at succession, and it is the name on his work and his official accounts. In 2025 he moved the workshop to Sanjo, Niigata.

What makes Kisuke Manaka's forge-welding unusual?

Kisuke Manaka taught himself stainless forge-welding, studying the behaviour and particles of iron through internet and library research, and independently worked out heat treatment for stainless steel and powder high-speed steel.

The workshop does not use clad stock pre-bonded from stainless, iron and steel. He performs the whole process himself: steel attachment, forge-welding, annealing, quenching, tempering, sub-zero treatment, sharpening and handle fitting. One person, the whole way through.

What steels does Kisuke Manaka work with?

The 貴輔 SUS series uses White #2 or Blue #2 as the cutting steel under stainless cladding the workshop forge-welds in-house rather than buying as clad stock. The Blue #1 knives are hon-warikomi: soft iron split with a chisel, Blue #1 set in, the blade forge-welded and water-quenched, listed by the maker at approximately HRC 64.

The ATS-34 series carries an 18Cr stainless jigane in warikomi construction with sub-zero treatment, at the same maker-listed hardness. In 2025 the workshop announced a ZDP-189 line named BEAST, and its catalogue also carries the 琰-ENN- and 黒琰-KOKUENN- lines.

Where is Manaka Hamono Tanrenjo located?

Manaka Hamono Tanrenjo has been in Sanjo, Niigata since 2025, when Kisuke Manaka relocated the workshop. The workshop's own words for the move: in pursuit of a higher level. The lineage's historic home is Saitama, where the business had worked since its founding in 1872.

The workshop deliberately publishes no phone number online, and its homepage asks customers not to confuse it with a similarly named shop nearby.

How long is the wait for a custom Kisuke Manaka knife?

When the workshop last published a figure, custom orders carried a wait of one to one and a half years. That number moves with demand, so the workshop's own pages are the place to check the current wait.

We trust this information is correct at the time of writing, but it is not an official document and details may change without notice. If you spot an error, tell us and we'll fix it.