Sanken Electric

Basic Information

Stock Code
6707
Industry
Electrical Equipment
Category Detail
Semiconductors & Electronic Components
Prefecture
Saitama Prefecture
Establishment Year
September 1946
Listing Year
October 1969
Official Website
https://www.sanken-ele.co.jp/
TSE Information
TSE Information
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Overview

Sanken Electric is an electrical equipment manufacturer established in 1946, with strengths in its main semiconductor devices and power supplies, and is the leading company with the largest scale among the three power supply companies.

Current Situation

Sanken Electric achieved consolidated sales of approximately 235.2 billion yen and net assets of approximately 198.6 billion yen in the fiscal year ending March 2024, supplying a wide range of semiconductor devices and power products to the electrical and automotive industries both domestically and internationally. The company manufactures a diverse lineup of semiconductor products, including transistors, thyristors, and LEDs, leveraging years of technological accumulation, and has established a solid position in Japan. It also operates a global supply chain with bases in the United States, China, and Thailand to meet demands in various countries. In recent years, it has focused on technological innovations in the semiconductor division, enhancing competitiveness through new material development and high-efficiency power supply design. The company is also promoting environmentally friendly product development and sustainable management, positioning itself as the central player among the three power supply companies in drawing up mid- to long-term growth strategies for the industry. Moving forward, it aims to expand revenue by responding to the progress in electrification and energy efficiency, and by enhancing products for smart energy fields and IoT devices.

Trivia

Interesting Facts

  • Has the oldest history among Japan's three major power supply companies.
  • Deep ties to Keio Gijuku from founder Yasazaemon Matsunaga.
  • Expanded overseas by acquiring a U.S. semiconductor division in 1990.
  • Has production bases in Korea and China but has been undergoing reorganization in recent years.
  • High technology in both semiconductor devices and power supplies.
  • Parent company of rugby team SK KNIGHTs, engages in sports support activities.
  • Specializes in high-voltage, high-frequency semiconductors with proprietary manufacturing technology.
  • Achieves high reliability to meet stringent quality demands from customer companies.
  • Focusing on EV semiconductor development in recent years.
  • Many of its adopted technologies have become international standards.
  • Products widely used in electrical, automotive, communications, and industrial machinery.
  • Once held top domestic share in cold cathode tube manufacturing.
  • Japan Master Trust Bank is one of the major shareholders.
  • High technological evaluation in domestic power supply device production.
  • Large company with approximately 8,500 consolidated employees.

Hidden Connections

  • Former President Setsu Wada was a key figure in the company's technological development.
  • U.S. subsidiary Allegro MicroSystems is a major player in motor control semiconductors.
  • Korean subsidiary was withdrawn in 2021, with business reorganization underway.
  • Keio Gijuku Shiki High School is located on the site of the former Tokyo Testing Lab of Tohbo Industry Research Institute.
  • GS Yuasa Corporation acquired Sanken Densetsu in 2021.
  • Largest in scale among the three power supply companies, central to the industry.
  • Strong trading relationships with Japan's major electronic component trading companies.
  • Regional company with headquarters and large factory in Niiza City, Saitama Prefecture.

Future Outlook

Growth Drivers

  • Increasing demand for on-board semiconductors with EV market expansion
  • Demand for power supply efficiency due to strengthened energy-saving regulations
  • Component demand for communications infrastructure from 5G and IoT proliferation
  • Demand for high-efficiency power supplies in renewable energy
  • Expansion of industrial equipment in emerging overseas markets
  • New product development capabilities responding to technological innovations
  • Strengthening of global supply chain
  • Market growth for products compliant with environment and safety regulations
  • Power control demand related to smart cities
  • Increased support from government's semiconductor growth policies
  • Manufacturing efficiency improvements through digital transformation
  • Increasing factory automation needs post-coronavirus

Strategic Goals

  • Double sales of high-efficiency semiconductors for EVs from current levels
  • Achieve top market share in energy-saving power supply products
  • Increase overseas sales ratio to over 40%
  • 30% or more of products adopting new materials and processes
  • Build sustainable manufacturing processes and achieve CO2 reduction targets
  • Advance high automation of own factories and AI utilization
  • Strengthen design and development systems to meet diverse customer needs
  • Expand sales bases in emerging countries and improve brand recognition
  • New entry into clean energy and smart grid fields
  • Maintain top-class customer satisfaction and quality ratings domestically

Business Segments

Power Supply Manufacturers

Overview
Adopted as power supplies and semiconductor components by various manufacturers in diverse industrial equipment.
Competitiveness
Wide coverage with highly reliable and diverse product lineup
Customers
  • Power supply device manufacturers
  • Industrial machinery manufacturers
  • FA (Factory Automation) system companies
  • Automotive manufacturers
  • Electronic equipment manufacturers
  • IT equipment manufacturers
  • Home appliance manufacturers
Products
  • Power transistors
  • Thyristors
  • Switching power supplies
  • UPS
  • Inverters
  • AC adapters

Automotive Sector

Overview
Supplies high heat-resistant, high-reliability semiconductor products for on-board power supplies and control components.
Competitiveness
Technological capabilities compliant with stringent automotive quality standards
Customers
  • Automotive manufacturers
  • Automotive parts manufacturers
  • Electrical component suppliers
  • Electric vehicle (EV) development companies
Products
  • High-voltage transistors
  • Power modules
  • Power management devices

Communications and IT Equipment Sector

Overview
Supports communications and IT industries with stable power supply and noise countermeasures.
Competitiveness
High-performance UPS and noise suppression technology
Customers
  • Communications equipment manufacturers
  • Server manufacturers
  • Data center companies
Products
  • UPS
  • High-efficiency power supplies
  • Noise filters

Industrial Equipment and Electronic Devices

Overview
Widely adopted in control and safety equipment in the industrial sector.
Competitiveness
Broad product lineup and robust reliability
Customers
  • Industrial robot manufacturers
  • Electronic control equipment manufacturers
  • Medical equipment manufacturers
Products
  • Semiconductor devices in general
  • Power supply devices
  • Sensors

Overseas Subsidiaries and Subsidiary Operations

Overview
Supplies products and provides support to global markets through subsidiaries.
Competitiveness
Rapid response to needs around the world
Customers
  • Equipment manufacturers in North America and Asia
  • Local sales agents
Products
  • Semiconductor products
  • Power supply devices
  • Procurement and manufacturing support

Environment and Energy Sector

Overview
Contributes to energy-saving and renewable energy equipment through environmentally responsive product development.
Competitiveness
Energy-saving technology and high-reliability product lineup
Customers
  • Solar power system companies
  • Energy-saving equipment manufacturers
  • Renewable energy-related equipment operators
Products
  • High-efficiency power supply equipment
  • Inverters
  • Current control devices

Wholesale to Electronic Component Trading Companies

Overview
Secures a wide distribution network through collaboration with trading companies.
Competitiveness
Broad product lineup and rapid supply system
Customers
  • Electronic component trading companies
  • Comprehensive logistics companies
Products
  • Semiconductor devices
  • Power-related components

Electronic Components for Medical Equipment

Overview
Provides precision components that contribute to improving reliability of medical equipment.
Competitiveness
High technological quality and safety measures
Customers
  • Medical equipment manufacturers
  • Healthcare equipment manufacturers
Products
  • High-precision sensors
  • Special semiconductor devices

Products for Disaster Prevention and Safety Equipment

Overview
Offers highly reliable products for safety and disaster prevention fields.
Competitiveness
Strict quality control and customization capabilities
Customers
  • Disaster prevention equipment manufacturers
  • Airport and communications infrastructure managers
Products
  • Aviation obstruction lights
  • Uninterruptible power supplies

R&D Support for In-House Products

Overview
Provides prototype support for next-generation technology development.
Competitiveness
Comprehensive technical support system
Customers
  • Research institutions
  • Universities
  • Industrial technology research institutes
Products
  • Prototype semiconductor devices
  • Power supplies for technology evaluation

Components for IT and Digital Devices

Overview
Contributes to energy efficiency in smart devices with component lineup.
Competitiveness
Advanced energy-saving technology
Customers
  • PC manufacturers
  • Smartphone manufacturers
  • Digital home appliance manufacturers
Products
  • AC adapters
  • High-efficiency power supplies
  • Switching devices

Industrial Lighting Equipment

Overview
Supplies products for industrial lighting centered on high-performance LED elements.
Competitiveness
High-quality semiconductor technology for lighting
Customers
  • Factories
  • Public facilities
  • Commercial buildings
Products
  • LED lighting elements
  • Lighting control devices

Competitive Advantage

Strengths

  • One of Japan's largest power supply and semiconductor manufacturers
  • Broad customer coverage through diverse product lineup
  • Highly reliable products backed by years of technological accumulation
  • Global production and sales network
  • Strong transaction base in electrical and automotive industries
  • Solid financial foundation and stable revenue structure
  • Risk diversification through broad business portfolio
  • High-quality semiconductor manufacturing technology
  • Promotion of environmentally friendly product development
  • Robust R&D organization
  • Collaboration with numerous related subsidiaries
  • Efficiency improvements through mature production technology
  • Versatility across diverse applications
  • Provision of customization design services
  • Rapid product development in response to market needs

Competitive Advantages

  • High standing in the industry as the central player among the three power supply companies
  • Diverse product offerings from industrial to automotive applications
  • Supply system responsive to customer needs domestically and internationally
  • High-efficiency, high-reliability semiconductor device technology
  • Long-cultivated power supply device development capabilities
  • Aggressive overseas expansion and local production system establishment
  • Rich variation in product portfolio
  • Strength in technical support and customization for customers
  • Cost competitiveness through optimized supply chain
  • Early development of environmentally responsive products
  • High-quality management system
  • Flexible strategies for new market development
  • Flexible対応 to OEM/ODM
  • Strong R&D facilities and human resources
  • Strong relationships with major domestic automotive manufacturers

Threats

  • Impact from fluctuations in global semiconductor demand
  • Intense price competition with overseas rivals
  • Rising costs of materials and equipment in semiconductor manufacturing
  • Risks of disruption in global supply chains
  • Risk of failing to keep up with rapid technological innovations
  • Rise of new entrants from China and Taiwan
  • Revenue instability due to exchange rate fluctuations
  • Increasing burden from environmental regulations and compliance
  • Production stagnation due to COVID-19 or other pandemics
  • Decline in demand from deteriorating economic conditions of major customers
  • Risks of technology leakage and intellectual property management challenges
  • Production delays due to material shortages

Innovations

2024: Strengthening development of high-efficiency power devices

Overview
Developed high-efficiency devices for power supplies using new semiconductor materials.
Impact
Improved product performance and increased energy-saving effects

2023: Development of next-generation EV semiconductor devices

Overview
Commercialized high-voltage, high heat-resistant transistors for electric vehicles.
Impact
Enhanced competitiveness in EV component market

2022: Renewal of switching power supplies for smart home appliances

Overview
Launched lightweight, high-efficiency power supply devices for IoT equipment.
Impact
Promotes expansion into wide range of smart home appliance market

2021: Strengthening overseas manufacturing bases and promoting automation

Overview
Introduced automated assembly equipment in factories in China and Thailand to improve production efficiency.
Impact
Improved cost reduction and product supply stability

2020: Development of high-brightness elements for LED lighting

Overview
Began manufacturing high-efficiency LED elements to comply with energy-saving regulations.
Impact
Expanded share in environmentally friendly lighting market

Sustainability

  • Deployment of energy-saving product series to reduce environmental impact
  • Setting CO2 emission reduction targets in manufacturing processes
  • Promotion of recycling rate improvements and waste reduction
  • Strengthening environmental and social assessments in supply chain
  • Enhancing employee environmental awareness and participation in local conservation activities
  • Promotion of green energy adoption
  • Formulation of sustainable material procurement policies
  • Improving workplace safety and promoting diversity
  • Pursuing product longevity and expandability
  • Acquisition of ISO14001 environmental management certification
  • Annual issuance of CSR reports for information disclosure
  • Collaborative activities with customer companies to reduce environmental impact