本システムでは、JavaScriptを利用しています。JavaScriptを有効に設定してからご利用ください。
本文へ
SiteColor
Standard
BL
YL
BK
JAPANESE
sitemap
Contact
Company Profile
Company Profile Top
Message from Top Management
Management Philosophy
Corporate Profile
Board of Directors
Company Organization
Business Locations
Business Locations Top
Core business locations in Japan
Our Worldwide Locations
Affiliated Companies
History
Corporate Symbol
Social Media Policy
Business Area
Business Area Top
Business Creation
Business Creation Top
R&D Center
M Lab.
Materials Analysis & Exploration Center
Engineered Materials
Engineered Materials Top
Engineered Powders Division
Copper Foil Division
PVD Materials Division
Ceramics Division
Affiliated companies
Metals
Metals Top
Lead & Zinc Division
Copper & Precious Metals Division
Mineral Resources Division
Affiliated companies
Responsible Minerals Sourcing in Metal Business
Other Businesses
Investor Relations
Investor Relations Top
Management Policy
Management Policy Top
Message from Top Management
Management Philosophy
Medium Term Business Plan
Board of Directors
Corporate Governance
Disclosure Policy
Stock Information
Stock Information Top
Basic Stock Information
Composition of Shareholders
Dividend Data
Shareholders’ meeting
Credit Ratings and Corporate Bond Information
IR Library
Financial Results Reports
Integrated Report
Business Performance and Financial Information
Business Performance and Financial Information Top
Financial Highlights and Financial Statements
Business Performance by Segment
IR Calender
IR News
Disclaimer
Sustainability
Sustainability Top
TOP Message
Sustainability Management Framework
Stakeholders and Materiality
Value Creation
Environment
Environment Top
Environmental Policy
Climate Change
Toward a Circular Economy
Conservation of Water Resources
Biodiversity
Social
Social Top
Health and Safety
Human Rights
DEI
Human Resources Development
Health and Productivity Management
Quality Management
Intellectual Property
Community Engagement
Governance
Governance Top
Compliance
Risk Management
DX/ICT
Mining Business
Supply Chain
ESG Archives
ESG Archives Top
CSR-related Policies
ESG Data
GRI/SASB Standard Index
Integrated Reports
Inquiries
Information
Kamioka Mine Tackles Mystery of Birth of the Universe
Kamioka Mine Tackles Mystery of Birth of the Universe Top
What sort of mine (mountain) is Kamioka Mine?
Super-Kamiokande and Kamioka Mine
Terms of Conditions
Privacy policy
Site Map
Japanese
Contact
Company
Message from Top Management
Management Philosophy
Corporate Profile
Board of Directors
Company Organization
Business Locations
History
Corporate Symbol
Social Media Policy
Company Profile
Products
Business Creation
Materials Analysis & Exploration Center
Engineered Materials
Metals
Other Businesses
Business Area
Investor
Information
Management Policy
Stock Information
IR Library
Business Performance and Financial Information
IR Calender
IR News
Disclaimer
IR Contact
Investor Relations
Sustainability
Sustainability Management Framework
Stakeholders and Materiality
Value Creation
Environment
Social
Governance
Mining Business
Supply Chain
ESG Archives
TOP Message
Sustainability
Information
HOME
>
Information
Year
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
Latest information
News Release
Information
2026/06/18
News Release
Start of Supply of 100% Recycled Copper Cathodes Using the Mass Balance Method
2026/06/11
News Release
Regarding Certain Media Reports and Other Information Concerning Our Copper Foil Business
2026/06/01
News Release
Mitsui Kinzoku and Quemix Develop New Technology for Materials Calculation on Quantum Computers Accelerating the Practical Application of Materials Simulation
2026/05/29
News Release
New Copper Sinter Material Enables Large-Area bonding for Power Module
2026/05/29
News Release
Selected for FY2026 Subsidy Program of Japan’s Agency for Natural Resources and Energy “Subsidy for Support Projects for Decarbonization and Energy Transition Technologies in Resource-Rich Countries”
2026/05/28
News Release
Execution of Final Agreement Concerning Integration of Businesses for the Purchase of Copper Concentrates and the Sale of Related Products
[PDF:182KB]
2026/05/22
News Release
Mitsui Kinzoku Group Announces Nature Positive Declaration
2026/05/18
News Release
Calculation of Carbon Footprint of Electrolytic Zinc and Reception of Third-Party Assurance
2026/05/13
News Release
Mitsui Kinzoku to Supply A-SOLiD™ Solid Electrolyte for a Major Customer’s All-Solid-State Battery Program
2026/05/13
News Release
Establishment of New Production and Sales Base for the Catalyst Business in the Philippines
2026/04/28
News Release
Kamioka Mining & Smelting Co., Ltd. Receives The Zinc Mark
2026/04/20
News Release
Investment in Gaianixx Inc., a Single-Crystal Thin-Film Technology Venture
2026/04/01
News Release
Metal Production Plan for the First Half of FY2026
[PDF:135KB]
2026/03/13
News Release
Mitsui Kinzoku Commences Price Negotiations for MicroThin™
2026/01/13
News Release
Building System for Mass Trial Production in the Functional Porous Materials Business
2026/01/13
News Release
Signing of MOU with the Government of Haryana, India to Promote Green Hydrogen Production and CCU Technology R&D
1
2
3
4
5
6
7
8
9
10
次へ
2026/06/11
News Release
Regarding Certain Media Reports and Other Information Concerning Our Copper Foil Business
Recently, particularly in Asia, there have been various media reports and market rumors regarding our copper foil business, including claims that competition is intensifying due to the entry of Korean company and that our copper foil will no longer be used as a result of the adoption of glass substrates. Some of these reports and rumors contain inaccurate information. As previously communicated, there has been no material change in the business environment or the medium- to long-term growth outlook for our copper foil business.
We continue to see medium- to long-term growth potential for VSP™, our electro-deposited copper foil for high-frequency circuit boards, and MicroThin™, our ultra-thin copper foil, and have also begun considering additional investment to further expand production capacity. Going forward, we will continue to further strengthen our core advantages and strive to enhance corporate value over the medium to long term.
Mitsui Kinzoku will contribute to the realization of a sustainable society by implementing our vision for 2030, “Building new businesses -and the future- with our material intelligence,” based on our purpose, “We promote the well-being of the world through a spirit of exploration and diverse technologies.”
Please check the below PDF file for details.
Regarding Certain Media Reports and Other Information Concerning Our Copper Foil Business
Back to Index
2026/06/18
News Release
Start of Supply of 100% Recycled Copper Cathodes Using the Mass Balance Method
2026/06/11
News Release
Regarding Certain Media Reports and Other Information Concerning Our Copper Foil Business
2026/06/01
News Release
Mitsui Kinzoku and Quemix Develop New Technology for Materials Calculation on Quantum Computers Accelerating the Practical Application of Materials Simulation
2026/05/29
News Release
New Copper Sinter Material Enables Large-Area bonding for Power Module
2026/05/29
News Release
Selected for FY2026 Subsidy Program of Japan’s Agency for Natural Resources and Energy “Subsidy for Support Projects for Decarbonization and Energy Transition Technologies in Resource-Rich Countries”
2026/05/28
News Release
Execution of Final Agreement Concerning Integration of Businesses for the Purchase of Copper Concentrates and the Sale of Related Products
[PDF:182KB]
2026/05/22
News Release
Mitsui Kinzoku Group Announces Nature Positive Declaration
2026/05/18
News Release
Calculation of Carbon Footprint of Electrolytic Zinc and Reception of Third-Party Assurance
2026/05/13
News Release
Mitsui Kinzoku to Supply A-SOLiD™ Solid Electrolyte for a Major Customer’s All-Solid-State Battery Program
2026/05/13
News Release
Establishment of New Production and Sales Base for the Catalyst Business in the Philippines
2026/04/28
News Release
Kamioka Mining & Smelting Co., Ltd. Receives The Zinc Mark
2026/04/20
News Release
Investment in Gaianixx Inc., a Single-Crystal Thin-Film Technology Venture
2026/04/01
News Release
Metal Production Plan for the First Half of FY2026
[PDF:135KB]
2026/03/13
News Release
Mitsui Kinzoku Commences Price Negotiations for MicroThin™
2026/01/13
News Release
Building System for Mass Trial Production in the Functional Porous Materials Business
2026/01/13
News Release
Signing of MOU with the Government of Haryana, India to Promote Green Hydrogen Production and CCU Technology R&D
1
2
3
4
5
6
7
8
9
10
次へ
We use cookies to improve site functionality, provide you with a better browsing experience, and to enable our partners to advertise to you.
Detailed information on the use of cookies on this Site, and how you can decline them, is provided in our
privacy policy
.
By using this Site or clicking on "Accepted", you consent to the use of cookies.
Accepted
Not accepted