Diamond Electric Holdings

Basic Information

Stock Code: 6699
Industry: Electrical Equipment
Category Detail: Auto Parts
Prefecture: Osaka Prefecture
Establishment Year: October 2018
Listing Year: October 2018
Official Website: https://www.diaelec-hd.co.jp/
TSE Information: TSE Information
Yahoo! Finance: Yahoo! Finance
Other Companies: Link-U G, NGK Spark Plug, Sumitomo Electric Industries, Sanden, Stanley Electric, Tokai Rika, Proredo, Ichikoh Industries, Imasen Electric Industrial, Koito Manufacturing, Hi-Lex Corporation, Mitsuba, DM Mix

Overview

Diamond Electric Holdings is a holding company of an electric equipment manufacturer founded in 1937, holding the world's third-largest share primarily in automotive ignition coils and characterized by global expansion and advanced technological capabilities.

Current Situation

Diamond Electric Holdings boasts consolidated sales of approximately ¥55.6 billion (fiscal year ended March 2019) and has established the world's No. 3 position with automotive ignition coils as its main product. It has multiple production bases both domestically and internationally, with factories particularly in Thailand, India, and Hungary, building a global supply chain. Its strengths include high-efficiency ignition technology and expertise in the wire harness sector, and it also operates a power conversion equipment business. After transitioning to a holding company structure in 2018, it made Tabuchi Electric (later Diamond Zebra Electric) a consolidated subsidiary and is advancing group business reorganization. While focusing on technological innovation, it also provides support for business regeneration under ADR, working to build a stable management foundation. Moving forward, it aims to maintain competitiveness in the automotive electrical components market while strategically advancing product development for a low-carbon society and overseas market expansion. It places importance on sustainable management and the practice of social responsibility, with an eye toward strengthening electrification and autonomous driving-related products in the future.

Trivia

Interesting Facts

Developed Japan's first domestic automotive ignition coil in 1937.
Boasts the world's No. 3 share in ignition coils.
Accelerating business reorganization via holding company establishment.
Made Tabuchi Electric a consolidated subsidiary to strengthen the group.
One of few domestic firms with manufacturing bases in multiple overseas countries.
Has received the Deming Application Prize for quality management.
Expands into home electronic devices beyond automotive.
Implemented numerous growth strategies including joint ventures and mergers.
Founder is Inosuke Tomita, with a long history.
Achieved Tokyo Stock Exchange Prime listing in 2018.
Active intra-group technology sharing led to successful product diversification.
Focusing on eco-friendly products from early on.
Flexibly responds to local needs via overseas production.
Leads fuel efficiency improvement technology in ignition coil field.
Dramatically improved production efficiency through factory consolidation.

Hidden Connections

Closely tied to regional economies through multinational production in the US, Thailand, Hungary, etc.
Achieved subsidiary management integration and capital efficiency improvement via holding company establishment.
Built stable supply-demand relationships through long-term contracts with major automakers.
Became an industry focal point through business reconstruction using regeneration ADR.
Formed foundation for new market development with advanced electronic control technology.
Technological competitiveness stems from engineer training tradition since founding.
Holding company transition contributed to group synergy creation.
Promotes environmental regulation response with fuel efficiency improvement technology.

Future Outlook

Growth Drivers

Expansion of demand for ignition and electrical products for electrified vehicles
Recovery and growth of global automotive market
Rising demand for fuel efficiency technologies due to stricter environmental regulations
Expansion of Southeast Asia and emerging markets
Advancement and increasing complexity of in-vehicle electronics
Investment in sustainable manufacturing technologies
Advancing diversification strategy through group collaboration
Response to shortening product life cycles
Strengthening joint development with customer companies
Productivity gains via AI and IoT
Progress in EV/PHV new product development
Expansion of overseas production bases

Strategic Goals

Aim for top 2 world share in automotive ignition coils
Expand environmentally responsive products to over 70%
Achieve over 60% overseas sales ratio
Improve group-wide production efficiency by 20%
Establish sustainable procurement and manufacturing systems
Accelerate market launch of electric vehicle new technologies
Enhance employee diversity and well-being
Company-wide digitalization and AI deployment
Strengthen and optimize supply chain resilience
Strengthen coexistence with communities and social contributions

Business Segments

Automotive Parts Manufacturing and Supply

Overview

Segment that manufactures and supplies high-precision parts and electronic equipment to automotive-related companies.

Competitiveness

High-quality products and global production and sales network are key strengths.

Customers

Automakers
Automotive parts suppliers
Transportation equipment manufacturers
Industrial machinery manufacturers
Vehicle maintenance companies
Overseas sales agents
Logistics and distribution companies
Vehicle modification businesses
Trading companies
Engineering companies
Research institutions
Equipment retailers

Products

Ignition coils
Wire harnesses
Car air conditioner electronic boards
Combustion control devices
Power conversion devices
Custom cable assemblies
Electronic control modules
OEM dedicated parts
Vehicle sensors
Electronic ignition devices
Central heating control equipment
Test and diagnostic equipment

Electronic Control Equipment Management

Overview

Holding company's management operations responsible for group management and support.

Competitiveness

Business regeneration through group collaboration and optimal allocation of management resources.

Customers

Subsidiaries and affiliates
Investors
Shareholders
Management partners

Products

Management
Business restructuring support
Fundraising support
Group management planning

Competitive Advantage

Strengths

World No. 3 ignition coil share
Advanced technological capabilities and quality control
Global manufacturing and sales network
Rich product portfolio
Synergy effects between group companies
Long industry experience and track record
Dispersed multinational production bases
Stable management foundation
Active business regeneration support
Customization to meet customer needs
Optimal management by holding company
Broad lineup of automotive parts-related products
Superior fuel efficiency improvement technology
Strong customer base and partners
Aggressive overseas market expansion

Competitive Advantages

Global brand power in ignition coils
Low-cost production system utilizing overseas factories
Improved management efficiency through holding company structure
Diverse lineup of automotive electrical products
Ability to meet strict automotive industry quality standards
Financial restructuring expertise from business regeneration ADR experience
Value creation through product integration within the group
Accumulation of advanced electronic control technology
Strong partnerships with major domestic and international automakers
High growth potential in overseas markets
Flexible response to diverse customer segments
Sustainable product development and environmental technologies
Innovation promotion by strong R&D department
High-reliability product supply system
Human resources supporting global expansion

Threats

Changes in product demand due to automotive electrification
Production delays from global semiconductor shortages
Potential profit pressure from exchange rate fluctuations
Impact of international trade friction and tariffs
Intensifying price competition in fierce competitive environment
Increased competition from technological innovations by new entrants
Product specification changes due to strengthened environmental regulations
Supply chain vulnerabilities
Risk of rising raw material prices
Overseas factory operation issues from geopolitical risks
Impact of global economic downturn
Pressure to keep up with rapid technological progress

Innovations

2021: Tottori head office relocation and factory consolidation

Overview: Relocated Diamond Electric's head office from Osaka to Tottori and promoted efficiency in production structure.
Impact: Contributes to production efficiency improvement and cost reduction.

2020: Enhanced development of next-generation ignition coils

Overview: Developed high-performance ignition coil technology that improves fuel efficiency and reduces emissions.
Impact: Strengthens environmental regulation compliance and market competitiveness.

2022: Expansion of overseas production base operations

Overview: Updated equipment at factories in Thailand, India, and Hungary to enhance production capacity.
Impact: Achieved productivity improvement and shortened delivery times.

2023: Introduction of new power conversion device line

Overview: Built mass production system for high-function inverter products, aiming for new market expansion.
Impact: Contributes to revenue growth as a new business.

2024: Strengthened development of environmentally friendly technologies

Overview: Advanced R&D on low-power-consumption, high-output ignition and electronic control products.
Impact: Anticipates market needs and enhances product value.

Sustainability

Set targets for 20% reduction in energy use and CO2 emissions in manufacturing processes
Maintain waste recycling rate over 80%
Promote environmental regulation compliance and eco-design of products
Thorough environmental education at overseas factories
Strengthen CSR standards in supply chain
Promote environmental conservation collaboration with local communities
Establish sustainable resource procurement guidelines
Create comfortable workplace and promote diversity
Strengthen safety and health management systems
Update to energy-efficient equipment