About Us & Editorial Verification Policy

Editorial policy, primary sources, verification standards, and publisher details for Japanese Kitchen Knives.

1. Our Mission

Japanese Kitchen Knives is an independent publication dedicated to delivering accurate, actionable, and culturally grounded guides on Japanese culinary knives, blacksmithing regions, and international traveler logistics.

2. Editorial Policy & Source Verification

Japanese Kitchen Knives is an independent educational portal dedicated to traditional Japanese cutlery, blade metallurgy, and traveler compliance. Our content is compiled strictly from verified public primary sources, official government guidelines, and manufacturer/retailer disclosures.

Cutlery Metallurgy & Geometry

Published steel-maker specifications provide context for alloy composition and hardness; our comparisons do not establish measured toughness or edge life for finished knives.

Official Economic & Trade Data

Statistical cross-referencing against Ministry of Economy, Trade and Industry (METI) censuses, Japan Customs databases, and regional craft association disclosures.

Travel, Legal & Duty-Free Accuracy

Strict alignment with National Tax Agency guidelines, MLIT aviation security rules, and Police Agency knife transportation advisories across all language editions.

3. Verification Protocol & Methodology

Retailer Official Source Verification: Store profiles across Tokyo, Osaka, and Kyoto are checked directly against official retailer websites and facility guides. Specific verification URLs and review dates (October 2026) are embedded so travelers can inspect the latest terms firsthand.

Museums & Live Forging Calendars: Live forge demonstrations at museums (such as Seki Traditional Swordsmith Museum and Sakai Denshokan) are non-continuous event-based dates. We verify official event calendars and display verification dates.

Scope and limits of steel comparisons: Our steel comparisons are broad editorial judgments informed by published manufacturer specifications and material characteristics, not hands-on comparative tests or measured product ratings. Radar bands indicate only approximate tendencies; heat treatment, blade geometry, sharpening, and use determine the performance of an individual knife.

4. Primary Sources & Public References

経済産業省 (METI)・総務省統計局 - 『2023年経済構造実態調査（製造業事業所調査）』『2020年工業統計調査』
財務省税関 (Japan Customs) - 『貿易統計（品目別輸出入実績：包丁類）』
大阪観光局 (OSAKA-INFO) - 堺打刃物・プロ料理人シェア公式案内
国税庁 (NTA) - 消費税免税制度公式ガイド（2026年11月1日改正対応）
観光庁 (JTA) - 訪日外国人旅行者向け免税店ポータル
堺伝匠館 (堺伝統産業会館) - 堺打刃物振興・イベント情報
岐阜県関市役所 - 関鍛冶伝承館・刃物産業統計
タケフナイフビレッジ協同組合 - 越前打刃物
三条鍛冶道場 - 越後三条打刃物
かっぱ橋道具街公式振興組合 - 東京・合羽橋店舗案内
学術・産業構造参考文献：大島一二（桃山学院大学・堺刃物産業の分業論）、森岡孝文（中部大学・関刃物産業の集積技術論）、樋口博美（伝統工芸産業の産地比較研究）

5. Publisher & Contact

Site Name: Japanese Kitchen Knives
Official URL: https://kataknives.com
Latest General Verification: 2026年10月 (October 2026)

For feedback, factual corrections, or inquiries regarding coverage, please reach out to our editorial desk.