Nippon Kodoshi Corporation

Basic Information

Stock Code
3891
Industry
Pulp and Paper
Category Detail
Manufacturing Machinery & Electrical Equipment
Prefecture
Kochi Prefecture
Establishment Year
August 1941
Listing Year
February 1996
Official Website
https://www.kodoshi.co.jp/
TSE Information
TSE Information
Yahoo! Finance
Yahoo! Finance
Other Companies
Mitsuchi, Edia, Central Glass, Kanto Denka Kogyo, Tanaka Chemical Lab, Mitsui Kinzoku, Double Scope, GS Yuasa Corporation, Furukawa Battery, FDK, Sankyo Kasei

Overview

Nippon Kodoshi Corporation is a leading battery separator manufacturer in the pulp and paper industry, founded in 1941, holding a high market share with advanced high-quality insulating paper manufacturing technology.

Current Situation

Nippon Kodoshi Corporation recorded consolidated net sales of approximately 17.6 billion yen and operating profit of approximately 3.3 billion yen for the fiscal year ended March 2023, maintaining a stable business foundation. In the industry, it boasts overwhelming market superiority with about 60% global share in capacitor insulating paper. Battery separators, a key product, are a focus growth area, and it also manufactures flexible printed circuit boards. Production sites include three factories in Kochi Prefecture and the Yasugi factory in Tottori Prefecture, bolstering its manufacturing setup. Through proactive technology investments and development of high value-added products, it sustains competitive edges while securing stable earnings. It advances sustainable production and ESG management, formulating long-term growth strategies based on battery market expansion. Recently, it has pursued treasury stock buybacks and dividend policy revisions to enhance shareholder returns. Sales expansion for broader domestic and international customer bases and production efficiency improvements are key strategic elements.

Trivia

Interesting Facts

  • World's largest with 60% global share in capacitor insulating paper.
  • Specialized in paper processing technology since its founding in 1941, bringing innovations to battery materials.
  • Regional company with multiple manufacturing sites in Kochi Prefecture.
  • Transactions with major global battery manufacturers in battery separator field.
  • Over 80 years since founding, accumulating proprietary papermaking technology.
  • Also produces flexible printed circuit boards, expanding into electronic materials.
  • 100% owned subsidiary in Malaysia serves as a production base.
  • Proactive in developing environmentally friendly materials as a socially contributing company.
  • Consolidated net profit of approximately 2.4 billion yen for FY2023, maintaining stable earnings.
  • Applies traditional papermaking technology to electronic materials field.
  • Advancing R&D in collaboration with local universities.
  • Completed transition from JASDAQ to Tokyo Stock Exchange Standard market.
  • Diversified business spanning multiple electronic materials subcategories.
  • Focuses on shareholder returns through treasury stock acquisitions, etc.
  • Business sites dispersed domestically and internationally.

Hidden Connections

  • Capital ties with Japan Paper Pulp Trading, strengthening industry collaboration.
  • Tokyo Sangyo Youshi as largest shareholder indicates strong ties to papermaking industry.
  • Collaborates with automotive manufacturers and parts suppliers on automotive battery materials.
  • Conducts joint development projects for eco-materials to address environmental regulations.
  • Collaborates with Shikoku Bank to contribute to regional economic development.
  • Advances Asian market expansion through Malaysian subsidiary.
  • Jointly develops next-generation materials technology with battery cell manufacturers.
  • Active technology exchanges with related companies such as electronic parts maker Edia.

Future Outlook

Growth Drivers

  • Rapid expansion of electric vehicle battery market.
  • Increasing demand for high-function insulating materials.
  • Diversification of electronic materials for smart devices.
  • Growth in demand for eco-products due to strengthened environmental regulations.
  • Expansion of global supply chains.
  • Production capacity improvements through capital investments.
  • R&D成果 in next-generation battery materials.
  • Advancement of customer base expansion strategies domestically and internationally.
  • Manufacturing efficiency improvements through digitalization.
  • Introduction of sustainable production technologies.
  • Differentiation through advanced manufacturing technologies.
  • Acceleration of digital transformation across the materials industry.

Strategic Goals

  • Achieve 70% global share in battery separators.
  • Environmentally friendly products accounting for over 50% of sales.
  • Strengthen earnings base through expansion of overseas production sites.
  • Achieve annual net sales of 25 billion yen.
  • 20% improvement in production efficiency using digital technologies.
  • Active entry into new business fields.
  • Standardization of sustainable product design and manufacturing.
  • 10% annual increase in R&D expenses.
  • Expansion of coexistence with local communities and social responsibility.
  • Enhancement of global talent development and diversity.

Business Segments

Battery Materials Manufacturing

Overview
Provides high-function materials for various batteries and capacitors, supporting performance and safety.
Competitiveness
World-leading insulating paper manufacturing technology and approximately 60% market share.
Customers
  • Battery Manufacturers
  • Secondary Battery Manufacturers
  • Electric Vehicle Manufacturers
  • Capacitor Manufacturers
  • Electronic Component Manufacturers
Products
  • Lithium-Ion Battery Separators
  • Electric Double-Layer Capacitor Separators
  • Insulating Paper

Electronic Component Manufacturing

Overview
Manufactures high-precision parts and boards for the electronics industry, providing reliability.
Competitiveness
Technological capability to consistently manufacture diverse electronic materials.
Customers
  • Electronic Component Manufacturers
  • Semiconductor Manufacturers
  • Printed Circuit Board Manufacturers
Products
  • Flexible Printed Circuit Boards
  • Semiconductor Encapsulants
  • Optical Films

Materials for Automotive Parts

Overview
Supplies high-function materials for electric vehicle batteries, contributing to quality improvement.
Competitiveness
Products compliant with the stringent quality standards of the automotive industry.
Customers
  • Automotive Manufacturers
  • Automotive Battery Manufacturers
  • Secondary Battery Parts Suppliers
Products
  • Vehicle-Mounted Battery Separators
  • High Heat-Resistant Insulating Paper

Chemical Materials Supply

Overview
Manufactures and supplies high-function chemical materials for semiconductors and displays.
Competitiveness
Material development capabilities and stable supply system.
Customers
  • Semiconductor Manufacturers
  • Display Manufacturers
  • Electronic Materials Trading Companies
Products
  • Photoresist
  • Encapsulants
  • Optical Films

Competitive Advantage

Strengths

  • High market share of approximately 60% globally
  • Advanced technology in batteries and electronic materials
  • Stable production through extensive manufacturing sites
  • Solid financial base and high profit margins
  • Long-term trusted relationships with customers
  • Diverse product portfolio
  • Strong research and development organization
  • Extensive sales channels domestically and internationally
  • Efficient manufacturing processes
  • Rapid response to market needs
  • Specialized advanced insulating paper technology
  • High brand reliability
  • Environmentally considerate product development
  • Securing highly specialized talent
  • Internationally competitive pricing

Competitive Advantages

  • Holds the world's largest market share in capacitor insulating paper
  • Implements ongoing technological innovations in battery separators to enhance product strength
  • Established global supply system utilizing overseas bases
  • High evaluation and trust from customers for high-quality materials
  • Cost competitiveness through integrated production system
  • Improved heat and durability resistance via proprietary technologies
  • Product development capabilities accommodating diverse industry needs
  • Rapid entry into the growing automotive battery market
  • Maintains technological superiority through strong R&D investments
  • Provides eco-friendly products compliant with environmental regulations
  • Comprehensive technical support system for customers
  • Stable orders from long-term trading relationships
  • Rapid product improvement and market launch cycles
  • Established high-precision manufacturing technology through specialized factories
  • Able to execute continuous investments due to financial stability

Threats

  • Price pressures from intensifying battery market competition
  • Risk of fluctuations in raw material prices
  • Market share erosion by new entrants
  • Decline in competitiveness due to delays in technological innovation
  • Strengthened overseas market regulations and tariff barriers
  • Cost increases from stricter environmental regulations
  • Profit instability from exchange rate fluctuations
  • Sales risks from high customer dependency
  • Damage to production sites from natural disasters
  • Logistics risks in raw material supply
  • Litigation risks from patent infringements
  • Manufacturing delays from supply chain disruptions

Innovations

2023: Mass Production of High Heat-Resistant Battery Separators

Overview
Developed and began mass production of new separators with enhanced heat resistance for electric vehicles.
Impact
Contributes to expanding share in the automotive battery market.

2022: Development of Environmentally Friendly Insulating Paper

Overview
Developed environmentally compatible insulating paper products using biodegradable resins and launched as sustainable products.
Impact
Strengthens lineup of products compliant with environmental regulations.

2024: High-Function Technology for Flexible Printed Circuit Boards

Overview
Successfully developed new materials that balance lightweight and high durability, and began providing them for next-generation electronics.
Impact
Increased inquiries from electronics manufacturers.

2021: Digital Transformation of Manufacturing Processes

Overview
Introduced AI-based automated monitoring systems for production lines to strengthen quality control.
Impact
Achieved improved yields and reduced defects.

2023: Enhanced R&D for Next-Generation Battery Separators

Overview
Advancing new development project for separator materials for all-solid-state batteries.
Impact
Aims for future product differentiation.

Sustainability

  • Setting and pursuing CO2 emission reduction targets in manufacturing processes
  • Promoting development of biodegradable materials to reduce environmental impact
  • Improving waste recycling rate and achieving zero emissions
  • Ongoing environmental conservation activities in collaboration with local communities
  • Promoting resource conservation through efficient energy use
  • Environmental risk management in the supply chain
  • Employee environmental awareness programs
  • Thorough compliance with environmental laws and international standards
  • Establishment and operation of green procurement standards
  • Product environmental performance evaluation and improvement activities
  • Promoting safe and sustainable product design
  • Maintenance of ISO14001 certification and continuous improvement