Tokyo Ohka Kogyo

Basic Information

Stock Code
4186
Industry
Chemicals
Category Detail
Chemicals & Chemical Products
Prefecture
Kanagawa Prefecture
Establishment Year
October 1940
Listing Year
July 1986
Official Website
https://www.tok.co.jp/
TSE Information
TSE Information
Yahoo! Finance
Yahoo! Finance
Other Companies
Nissan Chemical, Sumitomo Bakelite, Nihon Kayaku, Tri Chemical Laboratories, ADEKA, Taiyo Holdings, Dexerials, JX Metals, Furuuchi Chemical, ZACROS

Overview

Tokyo Ohka Kogyo is a chemical materials manufacturer established in 1940, boasting the world's top market share in the semiconductor photoresist field as a technology-driven company.

Current Situation

Tokyo Ohka Kogyo recorded consolidated sales of approximately 201 billion yen and operating profit of approximately 33.1 billion yen for the fiscal year ending December 2024, demonstrating strong global competitiveness in semiconductor manufacturing materials. It has strengths in its core photoresist and other electronic materials business, and also offers materials for LCDs and manufacturing equipment. The company has multiple production and R&D bases domestically and internationally, focusing on capacity expansion and new product development. In recent years, it has actively invested in overseas facilities amid the expanding semiconductor market, promoting the globalization of its business. From a sustainability perspective, it is strengthening environmental load reduction and safety management, while advancing technological innovations for higher purity and performance materials. Looking ahead, it is pursuing business expansion strategies toward 2030, anticipating semiconductor miniaturization and growth in new business areas.

Trivia

Interesting Facts

  • Veteran chemical materials manufacturer founded in 1940.
  • Dominates world top share in semiconductor photoresists.
  • Operates multiple R&D and production bases in Kanagawa Prefecture.
  • Pioneering manufacturer of pigments for LCD color filters.
  • Joint venture with Samsung Trading in Korea for high-functionality materials.
  • Developing PFAS-free photosensitive materials ahead of environmental regulations.
  • Supports microfabrication with proprietary photolithography technology.
  • Operates multiple overseas bases including Changchun Ohka (China).
  • Actively expanding in high-functionality materials for MEMS.
  • Stable management base as a Tokyo Stock Exchange Prime listed company.
  • Expanding R&D investments through capital strengthening.
  • Uses code 4186 on the Tokyo Stock Exchange.
  • Highly regarded in the industry for high-purity chemical manufacturing technology.
  • One of the leading companies driving Japan's semiconductor materials industry.
  • Diversifies business by supplying materials to diverse industrial sectors.

Hidden Connections

  • Joint venture with Samsung Trading in Korea forms foundation for Asian market expansion.
  • Maintains global production system through local subsidiaries in Taiwan and China.
  • Deep collaboration with semiconductor manufacturers in Japan and abroad through wide range of photoresist products.
  • Holds strong influence in the LCD panel industry through manufacturing equipment business.
  • R&D and production bases concentrated in Kanagawa Prefecture, linking production technologies.
  • Plays a key role in supply chains spanning multiple industries through diverse electronic materials.
  • Increasing ratio of overseas facility investments to preemptively address expanding semiconductor market.
  • One of Japan's pioneering companies that first achieved domestic production of photoresists.

Future Outlook

Growth Drivers

  • Accelerated global growth in semiconductor and electronics markets
  • Spread of extreme ultraviolet lithography (EUV) technology
  • Increasing demand for miniaturization of digital devices
  • Expansion of customer base centered on Asian markets
  • Rising demand for green chemicals compliant with environmental regulations
  • Advancement and diversification of MEMS and 3D packaging technologies
  • Strengthening customer solutions through integrated equipment proposals
  • Expansion of material supply to emerging industries
  • Differentiation through accelerated high-performance material R&D
  • Enhanced corporate value through sustainable manufacturing technologies
  • Process optimization needs accompanying industrial digitalization
  • Improved supply stability through global supply chain strengthening

Strategic Goals

  • Maintain and expand top market share in semiconductor photoresists
  • Establish mass production system for EUV-compatible products
  • Achieve over 50% sales ratio for low-environmental-impact materials
  • Expand overseas production and sales bases to strengthen global deployment
  • Expand sales in new business areas to over 30 billion yen annually
  • Digitalize supply chain to improve production efficiency by 30%
  • Establish sustainable material manufacturing processes and strengthen certifications
  • Maintain R&D investment ratio at over 10% of sales
  • Strengthen technological capabilities through diverse talent acquisition and development
  • Improve customer satisfaction by expanding close-knit services

Business Segments

Semiconductor Manufacturing Materials

Overview
Develops and stably supplies high-performance materials for advanced semiconductor manufacturing.
Competitiveness
High purity and microfabrication-compatible technology
Customers
  • Semiconductor Manufacturers
  • Semiconductor Foundry Companies
  • Device Design Companies
  • Research Institutions
Products
  • Photoresists
  • Cleaning Agents
  • Curing Agents
  • Spin Coating Materials

LCD and Display Materials

Overview
Provides high-functionality materials for LCDs and organic EL.
Competitiveness
Diverse color filter technologies
Customers
  • LCD Panel Manufacturers
  • Organic EL Manufacturers
  • Display Manufacturing Equipment Makers
Products
  • Color Filter Materials
  • Black Matrix Pigments
  • Polarizing Films
  • Encapsulants

MEMS and Sensor Materials

Overview
Develops and supplies special high-functionality materials for MEMS manufacturing.
Competitiveness
Fine pattern formation technology
Customers
  • MEMS Manufacturers
  • Sensor Development Companies
  • Precision Equipment Manufacturers
Products
  • MEMS Photoresists
  • High-Sensitivity Materials
  • Encapsulants

Semiconductor and LCD Manufacturing Equipment

Overview
Designs, manufactures, and provides equipment for advanced manufacturing processes.
Competitiveness
Advanced technology design and manufacturing expertise
Customers
  • Equipment Manufacturers
  • R&D Institutions
Products
  • Manufacturing Inspection Equipment
  • Thin-Film Coating Equipment
  • Drying Equipment

3D Packaging Materials

Overview
Develops and supplies materials for next-generation 3D semiconductor packaging.
Competitiveness
High heat resistance and high-reliability resin technology
Customers
  • Semiconductor Assembly Companies
  • Packaging Companies
Products
  • Resin Connection Materials
  • Resin Encapsulants

R&D Support Materials

Overview
Provides advanced materials and specialty chemicals for research.
Competitiveness
Custom solutions and extensive product lineup
Customers
  • Universities
  • Industry-Academia Collaboration Institutions
  • Corporate R&D Departments
Products
  • Special Test Chemicals
  • Synthesis Raw Materials

Environment and Safety Related Business

Overview
Provides low-environmental-impact chemicals and countermeasures.
Competitiveness
Compliance with environmental regulations and proprietary technologies
Customers
  • Chemical Plants
  • Manufacturing Sites
Products
  • Environmentally Friendly Chemicals
  • Safety Measure Chemicals

Competitive Advantage

Strengths

  • World-class photoresist technology
  • High-purity chemical development capabilities
  • Robust domestic and international production and R&D network
  • Diverse product lineup
  • Long market experience and reliability
  • Continuous investment in cutting-edge technologies
  • Global customer base
  • High-quality manufacturing process management
  • Early introduction of environmentally friendly products
  • Stable financial foundation
  • Proprietary material development capabilities
  • Rapid technical support system
  • Integrated supply for semiconductors and displays
  • Technology development through collaborations
  • Multifaceted product application areas

Competitive Advantages

  • Holds high global market share in semiconductor photoresists
  • Maintains high quality through proprietary high-purity chemical production methods
  • High supply stability with multiple production bases domestically and internationally
  • Contributes to customer process optimization through integrated latest equipment and materials
  • Thick R&D structure enables fast development of next-generation materials
  • Gains trust through early market introduction of regulation-compliant products
  • Strong entry into Asian markets via strategic joint ventures and partnerships
  • High technological capabilities for product miniaturization and functionalization
  • High customer satisfaction from close-knit technical support
  • Enables long-term investments due to strong capital and management stability
  • Differentiates in specialty materials through proprietary technologies
  • Builds competitive barriers with international patents
  • Establishes reliable brand in global markets
  • Enables business risk diversification across broad application areas
  • Product strategy balancing environmental sustainability and technological innovation

Threats

  • Global semiconductor market business fluctuations
  • Accelerated technological innovations by competitors
  • Raw material price fluctuation risks
  • International trade frictions and tariff issues
  • Cost increases due to stricter environmental regulations
  • Obsolescence of existing products from rapid new technology adoption
  • Market share loss from alternative materials
  • Supply chain disruption risks
  • Profit pressure from exchange rate fluctuations
  • Talent acquisition competition due to engineer shortages
  • Information security and IP infringement risks
  • Price competition from emerging country companies

Innovations

2024: Development of Next-Generation EUV Lithography Photoresists

Overview
Developed high-sensitivity, high-resolution photoresists compatible with extreme ultraviolet (EUV) lithography.
Impact
Strengthens competitiveness in microfabrication technology.

2023: Preparation for Mass Production of PFAS-Free Photosensitive Materials

Overview
Aiming for mass production in 2028 of photosensitive materials without PFAS to comply with environmental regulations.
Impact
Contributes to reduced environmental impact and market expansion.

2022: Introduction of New Formulation Technology for Semiconductor Cleaning Agents

Overview
Developed and began production of new cleaning agents that balance higher purity and improved cleaning performance.
Impact
Improves customer satisfaction and expands market share.

2021: Expansion of New Materials Lineup for MEMS Manufacturing

Overview
Introduced new MEMS materials optimized for fine pattern formation.
Impact
Contributes to capturing new demand and increasing sales.

2021: Equipment Enhancement at Overseas Production Bases

Overview
Significantly increased production capacity in Asia to strengthen supply to customers.
Impact
Improves global market responsiveness.

Sustainability

  • Promotion of low-environmental-impact material development
  • Strengthening waste reduction and recycling systems
  • Introduction of energy-saving manufacturing processes
  • Advancing environmental management across the supply chain
  • Stricter safety and health standards and employee training
  • Environmental conservation activities in collaboration with local communities