# 【表紙】

【提出書類】 | 有価証券報告書
【根拠条文】 | 金融商品取引法第24条第１項
【提出先】 | 関東財務局長
【提出日】 | 2025年６月23日
【事業年度】 | 第159期（自　2024年４月１日　至　2025年３月31日）
【会社名】 | 日本碍子株式会社
【英訳名】 | NGK INSULATORS, LTD.
【代表者の役職氏名】 | 代表取締役社長　　小林　茂
【本店の所在の場所】 | 名古屋市瑞穂区須田町２番56号
【電話番号】 | 052(872)7125番
【事務連絡者氏名】 | 執行役員　財務部長　　津久井　英明
【最寄りの連絡場所】 | 東京都千代田区丸の内二丁目４番１号 丸の内ビルディング25階 日本碍子株式会社　東京本部
【電話番号】 | 03(6213)8855番
【事務連絡者氏名】 | 東京総務グループ　マネージャー　西　芳郎
【縦覧に供する場所】 | 株式会社東京証券取引所 （東京都中央区日本橋兜町２番１号） 株式会社名古屋証券取引所 （名古屋市中区栄三丁目８番20号）

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