北岡 直斗 Naoto Kitaoka

北岡 直斗 Naoto Kitaoka

北岡 直斗 Naoto Kitaoka

北岡 直斗Naoto Kitaoka

ひい祖父の代から続く鍛冶の仕事を受け継ぐ、北岡直斗氏。もともとは鎌鍛冶として歩んできた家系であり、北岡氏の代から本格的に包丁製作へと取り組み始めました。鎌づくりで培われた技術を土台に、土佐打刃物の新たな表現を模索しています。

北岡氏の包丁の特徴は、“黒打ちの美しさ”にあります。黒肌の質感を活かしながら、荒さだけでは終わらせず、整った表情へ仕上げていく。特に、土佐打刃物の中でも「綺麗な黒打ち」を追求しており、他産地にも負けない品質を目指して一本一本鍛えています。また、重視しているのは切れ味の持続性です。脱炭を抑え、鋼がしっかり“冴えた”状態で仕上がった包丁は、研いだ瞬間に分かると語ります。鍛造だけではなく、研ぎまで行って初めて答えが出る――その感覚を大切にしながら製作を続けています。

「昨日より今日、今日より明日」と語る北岡氏。高知には下請け文化が根強く残る中、“産地の名前だけではなく、作り手として選ばれる存在になりたい”という想いをもって、新しい表現や模様の研究も重ねながら、土佐打刃物の可能性を広げ続けています。

北岡 直斗 Naoto Kitaoka イメージ1
北岡 直斗 Naoto Kitaoka イメージ2

Naoto Kitaoka carries on the blacksmithing tradition passed down since his great-grandfather’s generation. Originally, his family worked as sickle smiths, but it was during Mr. Kitaoka’s generation that they began focusing seriously on knife making. Building on the skills honed through sickle making, he is exploring new expressions of Tosa-style forged blades.

The hallmark of Mr. Kitaoka’s knives lies in the “beauty of the black finish.” He makes the most of the texture of the black finish, but doesn’t stop at a rough surface; instead, he refines it into a polished appearance. In particular, he pursues a “beautiful black finish” even among Tosa-style forged blades, forging each knife one by one with the aim of achieving a quality that rivals that of other regions. He also places great importance on the longevity of the blade’s sharpness. He explains that you can tell the moment you sharpen a knife that has been finished with minimal decarburization, leaving the steel in a truly “vibrant” state. It is only when we go beyond forging to include the sharpening process that we truly find the answer—we continue our craft while cherishing that sense of completion.

“Today is better than yesterday, and tomorrow will be better than today,” says Mr. Kitaoka. Amid a culture of subcontracting that remains deeply rooted in Kochi, he continues to expand the possibilities of Tosa-style forged cutlery with the desire to “be chosen not just for the region’s name, but as a craftsman in my own right,” while also conducting ongoing research into new expressions and patterns.

コレクション: 北岡 直斗 Naoto Kitaoka

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