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2026.04.01
Notice Regarding the Recording of Extraordinary Income (Gain on sale of investment securities)
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Notice Regarding the Recording of Extraordinary Income (Gain on sale of investment securities)
Notice Regarding the Recording of Extraordinary Income (Gain on sale of investment securities)
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Frequencies Supported
Network in Japan and Overseas
Usage Scenarios
Induction Heating Business Top
Products
Induction Heating [Automobile]
Induction Heating [Construction & Industrial Machine]
High Frequency Oscillator
Optional Features
Heating Coil
RF Applied Equipment
Vacuum Furnaces
Contracted High-Frequency Heat Treatment Processing
Technology
Research and Development
What is induction heating?
Network in Japan and Overseas
About Us Top
Top Message
Company Outline
History
Progress of DKK
History of the Yosami Radio Transmitting Station
At the Establishment of DKK
The Era of High-Speed Growth
A Time of Rapid Transformation
The Era of Stable Long-Term Growth
The Dawn of the Information Age
Toward a New Era Led by the IT Revolution
Business Offices
Headquarters
R&D Center Wireless Center
Kawagoe Office
Kawagoe Plant
Kanuma Plant
Fukuoka Office
Ebino Techno Center
Atsugi Plant
Hokkaido Sales Office
Sendai Sales Office
Saitama Sales Office
Nagoya Sales Office
Fukuoka Sales Office（West Japan Sales Department）
Osaka Sales Office
Hiroshima Sales Office
Shikoku Sales Office
Okinawa Sales Office
Affiliated Companies
Main Customers
IR Top
Management Policies
Greetings
Corporate Governance
Mid-Term Business Plan
IR Policy
Financial Information
Financial Highlights
IR Materials
Financial Results
Financial Presentation Materials
Annual Report
Other IR Materials
Stock Information
Stock・Shareholder Information
Shareholder Returns
Shareholders Meeting
Stock Procedures
For Individual Investors
DKK Advantages
Others
IR News
IR Calendar
FAQ
Disclaimer
Sustainability Top
DKK’s Approach to Sustainability
Materiality of the DKK Group
Promotion of Human Capital Management
Strengthening of Corporate Governance
Promotion of Environmental Management
Sustainable Growth & Development of Business
Promotion of Innovation
Actual Data
Corporate Governance
Inquiry List
Business / products Inquiries
IR Inquiries
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