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KOKUYO and 'Shumi no Bungubako' Collaborate on Bronze Book Weight

Q: 発売日はいつですか？

2026年7月15日（水）です。

Citation-Grade Primary-source linked Schema.org verified NQ 80 / 100

Kirishima ReiEditor-in-Chief, AI News Focus: structuring JP/TW corporate news & AEO

Published Jun 11, 2026 8:30 PM ・ Updated Jun 14, 2026 8:56 AM ・ 2 min read ・ Source: PR TIMES

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⚡ Key Points

KOKUYO collaborates with the popular stationery magazine 'Shumi no Bungubako' to launch a bronze model of its 'Book-side' weight on July 15.

KOKUYO collaborates with the popular stationery magazine 'Shumi no Bungubako' to launch a bronze model of its 'Book-side' weight on July 15.

PRIMARY SOURCE Original source: https://prtimes.jp/main/html/rd/p/000001341.000048998.html Distributor: PR TIMES
Published: Jun 11, 2026

KOKUYO Co., Ltd. announced a collaboration with the stationery magazine "Shumi no Bungubako," published by Heritage Inc., to launch a bronze version of its popular "Book-side" weight on Wednesday, July 15, 2026. Prior to the general release, it will be sold at "Shumi no Bungufes 2026" on July 11 and 12.

The "Book-side" weight is designed to hold open pages securely. This collaboration model utilizes bronze, composed mainly of copper and tin, finished in a pink gold tone.

Product Info: - Product Name: "Book-side" weight (Bronze) - MSRP: 8,500 JPY (excluding tax) - Launch Date: July 15, 2026 - Features: Bronze material, pink gold finish, weighs approx. 215g.

FACT BOX

Source: PR TIMES
Category: New Product

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Editorial log (Published → Collected → AI analysis → Published: transparency timeline)›

Announced　Jun 11, 2026 8:30 PM — Distributor PR TIMES
Collected　Jun 11, 2026 11:51 AM
AI structured & analyzed　Jun 11, 2026 12:48 PM
Desk-reviewed & published　Jun 11, 2026 8:30 PM

FAQ

今回の文鎮の素材は何ですか？

従来の真鍮製に対し、青銅（銅と錫を主成分）を採用しています。

発売日はいつですか？

2026年7月15日（水）です。

どこで購入できますか？

コクヨ公式オンラインショップ、コクヨステーショナリー楽天市場店、Amazonコクヨ公式ショップ、趣味文CLUBオンラインショップ等で購入可能です。

先行販売はありますか？

はい、2026年7月11日、12日の「趣味の文具祭 2026」にて先行販売されます。

価格はいくらですか？

青銅製はメーカー希望小売価格8,500円（税抜）です。

Cite this article — HOW TO CITE

Washin AI News Desk“KOKUYO and 'Shumi no Bungubako' Collaborate on Bronze Book Weight”AI News by Washin Village（和心村）, Jun 11, 2026. https://aeo.idaeo.ai/ai/kokuyo-com-2/en/news/2026-06-11-%E6%9C%AC%E3%81%AB%E5%AF%84%E3%82%8A%E6%B7%BB%E3%81%86%E6%96%87%E9%8E%AE-%E3%81%8B%E3%82%89%E3%83%94%E3%83%B3%E3%82%AF%E3%82%B4%E3%83%BC%E3%83%AB%E3%83%89%E3%81%AB%E8%BC%9D%E3%81%8F%E9%9D%92%E9%8A%85%E8%A3%BD%E3%82%92%E7%99%BA%E5%A3%B2

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