Daihen

Basic Information

Stock Code
6622
Industry
Electrical Equipment
Category Detail
Industrial Equipment & Heavy Electrical Apparatus
Prefecture
Osaka Prefecture
Establishment Year
December 1919
Listing Year
November 1953
Official Website
https://www.daihen.co.jp/
TSE Information
TSE Information
Yahoo! Finance
Yahoo! Finance
Other Companies
Fuji Electric, Yaskawa Electric, Meidensha, Toko Electric, Togami Electric Mfg., Kawaden, Nitto Kogyo, Shoko Electric Mfg., Toyo Denki, IRISO Electronics

Overview

Daihen is an electrical equipment manufacturer founded in 1919, holding top-class domestic market share in transformers, welding machines, and industrial robots, an established leading company.

Current Situation

Daihen achieved consolidated sales of approximately 226.3 billion yen, operating profit of about 16.1 billion yen, and net profit of about 12.0 billion yen in the fiscal year ending March 2025. It holds a high market share in the domestic markets for power equipment, welding machines, and industrial robots. In particular, it has established the top domestic position for small power transformers and arc welding machines. In technology development, it is advancing wireless power supply systems, AI transport robots, and expansions in energy management systems. The 'DAIHEN Value Plan' launched in 2012 has strengthened proprietary product development, with contributions to a decarbonized society and addressing labor shortages as key priorities. In 2024, it established a Tokyo head office and transitioned to a dual-headquarters system, actively expanding into overseas markets and strengthening its product lineup. The medium-term management plan 'Step Up 2023' positions environmental measures and production automation as growth pillars, focusing on technological innovation and market development toward 2030.

Trivia

Interesting Facts

  • Established electromechanical manufacturer with over 100 years of history
  • Boasts top share in domestic compact transformer market
  • Developed pioneering arc welding robot product 'Soar'
  • Early adoption of Ford production system to achieve mass production
  • Bringing new winds to industry with wireless power supply technology
  • Global company with many affiliates worldwide
  • Long-standing deep transaction relationships with major Japanese power companies
  • Achieved Deming Prize in the electrical machinery industry
  • Expanding proprietary energy management business
  • Many products integrating welding machines and robot technology
  • Strengthening nationwide expansion with dual headquarters in Osaka and Tokyo
  • Applying semiconductor power supply technology to welding equipment development
  • Actively exhibiting at major domestic and international trade shows
  • High evaluations for in-house brand industrial robots
  • Product portfolio responding to diverse industry needs

Hidden Connections

  • Major shareholder in Ise Railway, also involved in regional transportation
  • Collaborates with many partners for joint product development
  • Proprietary welding technology highly evaluated in shipbuilding and automotive industries
  • Focusing on renewable energy products in recent years
  • Participates in infrastructure development contributing to disaster response in local communities
  • Affiliates collaborate with power companies across Japan
  • Only company in the industry to have commercialized wireless charging technology
  • Significantly strengthened robot SI business through overseas acquisitions

Future Outlook

Growth Drivers

  • Increasing demand for renewable energy related to decarbonized society
  • Expansion of automation and robot demand to address labor shortages
  • Growth in charging infrastructure market with EV adoption
  • Advanced needs for industrial equipment in global markets
  • Advancements in precision processing technology in semiconductor manufacturing
  • Promotion of smart factories through AI technology introduction
  • Expanding market expectations for safe and energy-saving products
  • Global business expansion through enriched overseas bases
  • Demand for advanced welding equipment from shipbuilding and automotive industries
  • Improved corporate evaluations emphasizing sustainability

Strategic Goals

  • Accelerating green shift in product portfolio
  • Achieve 25% increase in power equipment sales in domestic and overseas markets
  • Elevate industrial robot technology to world top class
  • Develop products balancing decarbonization and reduced environmental impact
  • Promote efficiency through cross-business AI and IoT utilization
  • Strengthen global management with overseas sales ratio over 50%
  • Promote wireless charging technology and explore new applications
  • Thorough environmental and social responsibility in supply chains
  • Incorporate employee diversity and job satisfaction into corporate culture
  • Continuously deploy sustainable social contribution activities

Business Segments

Power Equipment Business

Overview
Develops and supplies highly reliable power control products for large-scale power facilities, supporting stable power supply.
Competitiveness
Advanced high-performance transformer development technology and extensive installation track record
Customers
  • Kansai Electric Power
  • Regional electric utilities
  • Major power infrastructure companies
  • Public facilities
  • Large factories
  • Transmission equipment management companies
  • Renewable energy operators
  • Substation maintenance companies
  • Power plant operators
  • Management associations
Products
  • Transformers
  • Substation equipment
  • Lightning protection equipment
  • Power conditioners
  • Energy management systems
  • Switchgear
  • Control and communication equipment
  • Storage battery transformers
  • Power monitoring devices
  • Smart grid equipment

Welding Mechatronics Business

Overview
Contributes to automation and productivity improvement at manufacturing sites by leveraging high-precision welding equipment and control technology.
Competitiveness
In-house development of wireless power supply technology applied to welding lines
Customers
  • Automotive manufacturers
  • Shipyards
  • Construction machinery manufacturers
  • Industrial machinery manufacturers
  • Electrical equipment manufacturers
  • Construction contractors
  • Steel companies
  • Welding contractors
  • Industrial robot users
  • Various manufacturing factories
Products
  • Arc welding machines
  • MIG/TIG welding machines
  • Robot welding systems
  • Welding robot software
  • Plasma cutting machines
  • Automatic welding lines
  • Welding peripheral equipment
  • Wire feeders
  • Welding quality management systems
  • Machining equipment

Semiconductor-Related Equipment Business

Overview
Provides high-performance power supplies and transport technology essential for precision processing in semiconductor manufacturing processes.
Competitiveness
High-frequency product lineup derived from welding machine power technology
Customers
  • Semiconductor equipment manufacturers
  • Semiconductor foundries
  • Electronic component manufacturers
  • Material manufacturers
  • Research institutions
  • Industrial machinery manufacturers
  • Domestic and overseas semiconductor process operators
Products
  • High-frequency power supplies
  • Microwave power supplies
  • Power supplies for plasma etching equipment
  • Transport robots
  • Wafer transport equipment
  • Clean transport robots
  • Auto tuners
  • Semiconductor production support systems

Factory Automation

Overview
Provides automation equipment and systems to improve productivity and reduce manpower in manufacturing factories.
Competitiveness
Innovative product lineup from integration of AI technology and wireless power supply
Customers
  • General manufacturing
  • Logistics industry
  • Food processing factories
  • Automotive industry
  • Electronics manufacturing
  • Warehousing
  • Service industry
  • Pharmaceutical manufacturing
  • Precision machine processing
  • Industrial plants
Products
  • AI-equipped transport robots
  • Collaborative robots
  • Production line automation equipment
  • Inspection equipment
  • Robot controllers
  • Warehouse transport systems
  • Wireless power supply equipment
  • Automation software

Material Processing

Overview
Builds welding and cutting technologies for high-precision processing of diverse metal materials.
Competitiveness
Pioneer in laser-arc hybrid welding technology
Customers
  • Metal processing industry
  • Semiconductor manufacturing
  • Chemical industry
  • Aerospace industry
  • Precision equipment manufacturers
  • Shipbuilding
  • Construction machinery manufacturing
  • Automotive parts manufacturers
Products
  • Laser welding equipment
  • Laser-arc hybrid welding equipment
  • Plasma processing machines
  • Cutting machines
  • High-precision welding robots
  • Dissimilar material joining technology equipment
  • Metal processing support software

Charging System Development

Overview
Provides charging infrastructure and advanced power supply technology to promote EV adoption.
Competitiveness
Proven wireless power supply technology as a strength
Customers
  • Municipalities
  • Transportation operators
  • EV manufacturers
  • Logistics industry
  • Smart city developers
  • Energy management companies
Products
  • Public EV charging infrastructure
  • Wireless power supply systems
  • Storage battery systems
  • Charging management software

Overseas Business Expansion

Overview
Promotes diversified business expansion and technology exports to overseas markets.
Competitiveness
Flexible product adaptation to regional characteristics
Customers
  • Global power companies
  • Overseas manufacturing factories
  • International robot markets
  • Overseas infrastructure developers
Products
  • Transformer products
  • Welding machines
  • Industrial robots
  • Charging systems
  • Energy management

Environment and Energy-Saving Equipment Business

Overview
Provides energy-saving equipment and operational support aimed at reducing environmental impact.
Competitiveness
High-efficiency energy management through proprietary technology
Customers
  • Renewable energy companies
  • Factory automation companies
  • Public facilities
  • Energy management operators
Products
  • Energy-saving inverters
  • Energy optimization equipment
  • Solar power generation equipment
  • Energy-saving monitoring systems

Maintenance and Service Business

Overview
Builds a service framework to support long-term stable operation of products.
Competitiveness
Network of experienced engineers
Customers
  • Manufacturing users
  • Power operators
  • Industrial equipment owners
Products
  • Equipment maintenance
  • Fault diagnosis
  • Technical support
  • System updates

R&D Support Business

Overview
Promotes contract development supporting industry-academia collaboration and advanced technology development.
Competitiveness
Accumulated diverse applied technologies
Customers
  • University research institutions
  • Corporate R&D departments
  • Industrial Technology Research Institute
Products
  • Prototype equipment
  • Technical consulting
  • Custom systems

Logistics Automation Systems

Overview
Provides automation systems aimed at improving efficiency in logistics operations.
Competitiveness
Safe and high-precision transport technology
Customers
  • Logistics centers
  • E-commerce operators
  • Warehousing industry
Products
  • AGV systems
  • AI-equipped transport robots
  • Warehouse management systems

Competitive Advantage

Strengths

  • Top domestic share in power equipment field
  • Advanced welding and robot technology
  • Abundant production track record and high-quality management
  • Collaborative network with diverse related companies
  • Nationwide sales expansion through dual-headquarters system
  • Strength in wireless power supply technology
  • Reliability backed by long history
  • Proprietary energy management technology
  • Steady expansion in international markets
  • Diversified business portfolio

Competitive Advantages

  • Domestic largest-scale power control equipment manufacturing capacity
  • Pioneer in arc welding robot technology
  • Efficient mass production using Ford production system
  • Application of advanced power supply technology for semiconductor manufacturing equipment
  • Product integration in energy management systems
  • Broad lineup of various industrial robots
  • Deployment and proposal capabilities across diverse industries
  • Market development through active overseas affiliates
  • Stable order base from major power companies
  • Sustainable product development and environmental responsiveness

Threats

  • Intensifying price competition domestically and internationally
  • Risks in global supply chains
  • Strengthened regulations and policy changes in the power industry
  • Risk of product obsolescence due to technological innovation
  • Technology catch-up by overseas competitors
  • Labor shortages and talent acquisition challenges
  • Increased equipment investment burden from environmental regulations
  • Revenue instability from exchange rate fluctuations
  • Expanding cybersecurity risks
  • Market fluctuations due to geopolitical risks

Innovations

2024: Established Tokyo head office and transitioned to dual-headquarters system

Overview
Established Tokyo head office in Otemachi, Chiyoda-ku, Tokyo, to enhance nationwide responsiveness and operational efficiency.
Impact
Improved customer responsiveness through strengthened sales bases

2024: Acquired U.S. robot system integrator 'Force Design Inc.'

Overview
Acquired local robot SIer to strengthen business base and technology in the U.S. market.
Impact
Contributes to overseas business expansion and acquisition of cutting-edge technology

2024: Acquired Dutch robot SIer 'Laurin Robotics'

Overview
Strengthened robot SI business and expanded sales channels in the European market.
Impact
Contributes to improved market share in Europe

2023: Formulated medium-term management plan 'Step Up 2023'

Overview
Focuses on Green Solutions and Tailored Solutions to promote decarbonization society and automation technology.
Impact
Expectations for new customer acquisition through technological innovation

2023: Established new factory for storage battery transformers (Kagawa)

Overview
Constructed new transformer factory in Kagawa Prefecture to meet surging storage battery market demand.
Impact
Supports market expansion through improved production capacity

2022: Developed dissimilar material laser-arc hybrid welding technology

Overview
Practicalized fusion welding technology enabling high-precision joining of different metals.
Impact
Brings innovation to industrial use of difficult-to-join materials

2021: Developed wireless power supply system for AGVs

Overview
Achieved efficiency and safety improvements in logistics sites through contactless charging.
Impact
Contributes to reduced charging time and maintenance on site

2020: Announced high-efficiency arc welding system 'D-Arc'

Overview
Launched advanced welding system achieving both energy savings and improved welding quality.
Impact
Supports cost reduction and production quality improvement in manufacturing

Sustainability

  • Promoting Green Solutions toward realizing a decarbonized society
  • Advanced energy management systems
  • Strengthening energy-saving design in products
  • Raising employee environmental awareness and internal enlightenment activities
  • Reducing waste and promoting recycling in production processes
  • Environmental impact reduction measures in supply chains
  • Active participation in environmental protection activities in collaboration with local communities
  • Expansion of development and market deployment of environmentally friendly products
  • Integrated operation of quality management and environmental management systems
  • Building sustainable technology foundation and technological innovation