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What is KOEI CHEMICAL COMPANY LIMITED stock?

4367 is the ticker symbol for KOEI CHEMICAL COMPANY LIMITED, listed on TSE.

Founded in Oct 2, 1997 and headquartered in 1917, KOEI CHEMICAL COMPANY LIMITED is a Chemicals: Major Diversified company in the Process industries sector.

What you'll find on this page: What is 4367 stock? What does KOEI CHEMICAL COMPANY LIMITED do? What is the development journey of KOEI CHEMICAL COMPANY LIMITED? How has the stock price of KOEI CHEMICAL COMPANY LIMITED performed?

Last updated: 2026-05-15 08:49 JST

About KOEI CHEMICAL COMPANY LIMITED

4367 real-time stock price

4367 stock price details

Quick intro

Koei Chemical Co., Ltd. (4367), founded in 1917, is a specialized Japanese chemical manufacturer and a subsidiary of Sumitomo Chemical. The company excels in fine organic synthesis, focusing on amines, pyridines, ionic liquids, and polyhydric alcohols for the pharmaceutical, agrochemical, and electronics sectors.

For the fiscal year ended March 31, 2025, the company reported a revenue of JPY 20,018 million (up 3.0% YoY) and an operating income of JPY 566 million (up 36.4% YoY). Despite these gains, net income slightly decreased to JPY 288 million.

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Basic info

NameKOEI CHEMICAL COMPANY LIMITED
Stock ticker4367
Listing marketjapan
ExchangeTSE
FoundedOct 2, 1997
Headquarters1917
SectorProcess industries
IndustryChemicals: Major Diversified
CEOkoeichem.com
WebsiteTokyo
Employees (FY)398
Change (1Y)−3 −0.75%
Fundamental analysis

KOEI CHEMICAL COMPANY LIMITED Business Introduction

KOEI CHEMICAL COMPANY LIMITED (TSE: 4367), a consolidated subsidiary of Sumitomo Chemical Co., Ltd., is a specialized Japanese chemical manufacturer renowned for its sophisticated organic synthesis technologies. The company primarily operates in the field of "Fine Chemicals," focusing on the production of nitrogen-containing heterocyclic compounds, such as pyridines and pyrazines, which serve as critical intermediates in global supply chains.

1. Business Modules Detailed Introduction

Koei Chemical classifies its operations into several high-value segments, leveraging its expertise in vapor-phase and liquid-phase reactions:

Amines and Pyridines: This is the company's cornerstone business. Koei is a leading global supplier of pyridine and its derivatives (picolines). These chemicals are indispensable raw materials for agrochemicals (herbicides/insecticides), pharmaceuticals (vitamin B3), and industrial applications.
Functional Materials: This segment focuses on high-performance chemicals used in electronics and telecommunications. This includes resins, curing agents, and additives for displays and semiconductors.
Pharmaceutical and Agrochemical Intermediates: Utilizing its proprietary catalytic technologies, Koei produces complex intermediates for life sciences. They provide custom synthesis services (CDMO-lite) for global pharmaceutical firms.
Polymer Additives and Ionic Liquids: The company develops specialized additives that enhance the heat resistance and durability of plastics, as well as ionic liquids used in advanced battery technologies and green chemistry.

2. Business Model Characteristics

Integrated Value Chain: As part of the Sumitomo Chemical Group, Koei benefits from stable raw material procurement and a global distribution network, while maintaining the agility of a specialized mid-sized manufacturer.
R&D Centric: The business model is driven by technical differentiation. Rather than competing on commodity volume, Koei focuses on "niche-top" strategies, dominating specific high-barrier chemical segments where purity and specific molecular structures are paramount.

3. Core Competitive Moat

Proprietary Catalyst Technology: Koei’s primary moat lies in its unique vapor-phase synthesis technology for pyridines. The ability to control catalytic reactions at high temperatures with precision allows them to achieve higher yields and purity levels than most competitors.
High Entry Barriers: The production of heterocyclic compounds involves complex environmental compliance and specialized infrastructure. Koei’s established facilities and decades of safety expertise make it difficult for new entrants to compete on cost and reliability.
Long-standing Customer Relationships: In the pharmaceutical and agrochemical sectors, switching costs are high due to regulatory filings. Koei is deeply embedded in the "Drug Master Files" (DMF) of various global medications.

4. Latest Strategic Layout

According to recent mid-term management plans, Koei Chemical is pivoting toward Sustainability and Electronics.
Green Chemistry: Investing in processes that reduce CO2 emissions and developing bio-based chemical alternatives.
Electronic Materials Expansion: Increasing Capex for photoresist materials and semiconductor-related chemicals to capture the growing demand in the AI and 5G infrastructure markets.

KOEI CHEMICAL COMPANY LIMITED Development History

Koei Chemical’s journey is characterized by a transition from industrial basics to highly specialized fine chemistry, deeply intertwined with the industrialization of Japan.

1. Development Phases

Founding and Early Years (1917–1950s): Founded in 1917, the company initially focused on the production of coal-tar derivatives. During Japan's post-war reconstruction, it played a vital role in providing basic chemical building blocks for the recovering textile and manufacturing industries.
The Synthesis Pivot (1960s–1980s): This was the most transformative era. Koei shifted its focus toward organic synthesis. In the 1970s, it successfully commercialized the synthetic production of pyridines using vapor-phase technology, which established its global reputation.
Global Expansion and Sumitomo Synergy (1990s–2010s): The company strengthened its ties with Sumitomo Chemical, becoming a consolidated subsidiary. This allowed Koei to expand its footprint into international markets, particularly in Asia and Europe, providing intermediates for the global agrochemical boom.
Modern Era (2020–Present): The focus has shifted toward high-functionality materials for the digital age, including specialized chemicals for OLEDs and lithium-ion battery components.

2. Success Factors and Challenges

Success Factors: The primary reason for Koei’s longevity is its technological specialization. By mastering the "pyridine ring," they made themselves indispensable to the pharmaceutical industry. Furthermore, the strategic backing of the Sumitomo Group provided financial stability during cyclical downturns.
Challenges: Like many Japanese chemical firms, Koei has faced pressure from rising raw material costs (naphtha) and stringent environmental regulations. In the early 2000s, the company had to navigate intense price competition from Chinese manufacturers, leading to a shift toward higher-margin "Fine" chemicals rather than "Bulk" chemicals.

Industry Introduction

The specialized chemical industry is currently undergoing a structural shift driven by digitalization and environmental mandates.

1. Industry Trends and Catalysts

Semiconductor Demand: The explosion of AI and data centers has created a massive pull for high-purity functional chemicals.
Shift to Specialty: Commodity chemical margins are shrinking; however, the "Specialty Chemicals" segment is seeing CAGR growth of 5-7% globally as industries demand more tailored molecular solutions.
Decarbonization: The "Green Transformation" (GX) in Japan is a major catalyst, forcing companies to innovate in carbon-neutral manufacturing.

2. Competition and Market Positioning

Koei Chemical operates in a competitive landscape that includes global giants and specialized regional players.

Company Primary Competition Area Market Position
Lonza (Switzerland) Fine Chemicals / CDMO Global Leader in Pharma Intermediates
Jubilant Ingrevia (India) Pyridine Derivatives High-volume, Low-cost Competitor
Vertellus (USA) Pyridines & Specialties Major Global Competitor in Agrochemicals
Koei Chemical (Japan) High-Purity Heterocycles Niche Leader in High-End Electronic/Pharma Grade

3. Industry Status and Financial Outlook

Koei Chemical is recognized as a "Niche-Top" player. In the Japanese domestic market, it holds a dominant share in specific pyridine-based intermediates.
Recent Performance Note: For the fiscal year ending March 2024, the chemical industry faced headwinds due to high energy costs and a slowdown in the Chinese economy. However, Koei has maintained resilience by focusing on high-value-added products for the semiconductor and pharmaceutical sectors. As of late 2023/early 2024, the company’s focus on "Functional Materials" has been the primary offset to the volatility in the traditional agrochemical intermediate market.

Financial data

Sources: KOEI CHEMICAL COMPANY LIMITED earnings data, TSE, and TradingView

Financial analysis

KOEI CHEMICAL COMPANY LIMITED Financial Health Score

KOEI CHEMICAL COMPANY LIMITED (TYO: 4367) is a specialty chemical manufacturer based in Japan, operating as a subsidiary of Sumitomo Chemical Company, Limited. Based on the latest financial data as of late 2024 and early 2025 (FY2025 Q3/Q4 reporting periods), the company maintains a stable but low-margin financial profile.

Metric Value / Status Score
Solvency & Leverage Debt-to-Equity Ratio: 21.1% (Low Leverage) 90 / 100 ⭐️⭐️⭐️⭐️⭐️
Liquidity Strong cash position; supported by Sumitomo Group 85 / 100 ⭐️⭐️⭐️⭐️
Profitability Net Profit Margin: ~0.4% - 5.0% (Varies by Quarter) 55 / 100 ⭐️⭐️
Valuation Price-to-Book (P/B): 0.87 (Undervalued relative to assets) 75 / 100 ⭐️⭐️⭐️
Dividend Sustainability Yield: ~3.7% (Above industry median) 70 / 100 ⭐️⭐️⭐️

Overall Financial Health Score: 72/100 ⭐️⭐️⭐️
The company's primary strength lies in its extremely conservative balance sheet and its affiliation with the Sumitomo Chemical Group, which provides significant credit stability. However, thin profit margins and low Return on Equity (ROE) remain the primary constraints on its financial score.

4367 Development Potential

1. KOEI Vision 2030 Roadmap

Koei Chemical has outlined a long-term strategy titled "KOEI Vision 2030," focusing on transforming its business portfolio from traditional bulk chemicals to high-value specialty products. The roadmap emphasizes three pillars: accelerating business growth, strengthening foundations through Digital Transformation (DX), and enhancing human resources.

2. Expansion into Specialty Amines and Ionic Liquids

A major growth catalyst is the company's focus on specialty amines and ionic liquids. These materials are critical for the next generation of electronics and energy storage. Specifically, Koei is exploring new applications in CO2 absorption technologies and battery materials, aligning with global green energy transitions.

3. Global Market Expansion (India Project)

As of mid-2025, Koei Chemical has initiated feasibility studies for the production of amine products in India. This represents a significant shift toward international market expansion, aiming to tap into the rapidly growing Indian manufacturing sector for pharmaceuticals and agrochemical intermediates.

4. Synergy with Sumitomo Chemical Group

As a subsidiary, Koei Chemical benefits from the R&D and supply chain synergy of the Sumitomo Chemical Group. This relationship allows Koei to participate in large-scale projects and access advanced catalytic technologies that would be otherwise out of reach for a company of its size.

KOEI CHEMICAL COMPANY LIMITED Pros and Risks

Company Upside (Pros)

Deep Technical Moat: With over 100 years of experience in nitrogen-containing compounds and fine organic synthesis, the company holds a dominant niche in high-pressure hydrogenation and gas-phase reactions.
Attractive Valuation & Dividends: Trading at a P/B ratio below 1.0 (approx. 0.87), the stock is technically "undervalued" based on its assets. Additionally, its dividend yield of approximately 3.7% is higher than many of its specialty chemical peers.
Portfolio Shift: The transition toward electronic materials and "Green Chemistry" (CO2 capture) provides a path to higher margins compared to their historical reliance on basic formalin products.

Company Risks

Vulnerability to Raw Material Prices: As a mid-stream processor, Koei's margins are highly sensitive to fluctuations in the prices of methanol and other feedstock, which can lead to volatile quarterly earnings.
Low Market Liquidity: With a market capitalization of approximately JPY 10.4 billion and a large portion of shares held by Sumitomo Chemical, the stock has low trading volume, which can result in high price volatility for retail investors.
Execution Risk in New Markets: The expansion into India and the commercialization of new catalysts are in early stages. Any delays in scaling production or securing demand for specialty amines could weigh on the company's near-term performance.

Analyst insights

How do Analysts View KOEI CHEMICAL COMPANY LIMITED and its 4367 Stock?

As of early 2026, market sentiment regarding Koei Chemical Company Limited (TYO: 4367), a consolidated subsidiary of Sumitomo Chemical, reflects a "cautiously optimistic" outlook centered on industrial recovery and specialized chemical demand. Analysts tracking the Japanese specialty chemicals sector are focusing on the company’s ability to navigate fluctuating raw material costs while maintaining its niche market leadership in fine chemicals.

1. Core Institutional Perspectives on the Company

Niche Market Dominance: Analysts highlight Koei Chemical's strong competitive moat in the production of ionic liquids, pharmaceutical intermediates, and functional materials. Mitsubishi UFJ Morgan Stanley Securities notes that Koei’s specialized synthesis technologies—particularly in pyridine derivatives—allow it to maintain steady margins even during broader macroeconomic volatility.

Synergy with Sumitomo Chemical: A recurring theme in analyst reports is Koei’s strategic importance to its parent company, Sumitomo Chemical. Institutional observers view Koei as a critical R&D arm for high-value-added chemical solutions. However, some analysts point out that being part of a larger conglomerate can sometimes limit independent capital allocation flexibility.

Focus on Electronic Materials: For the 2025-2026 fiscal cycle, analysts are bullish on Koei’s expansion into electronic chemicals used in semiconductor manufacturing. As the global chip supply chain diversifies, Koei’s role as a high-purity chemical supplier is seen as a primary growth engine.

2. Stock Ratings and Valuation Trends

Due to its status as a small-to-mid-cap stock on the Tokyo Stock Exchange, Koei Chemical (4367) is primarily covered by regional Japanese brokerages and quantitative research firms.

Current Consensus: As of Q1 2026, the general market consensus remains a "Hold/Outperform".

Key Financial Metrics (Latest Available Data):
Price-to-Earnings (P/E) Ratio: Analysts observe the stock trading at a P/E of approximately 10x - 12x, which is considered undervalued compared to the broader Japanese Chemical Index average of 15x.
Dividend Yield: With a consistent payout history, income-focused analysts view the ~3.5% dividend yield as a defensive cushion for shareholders.
Price Targets: While major global banks do not set public targets for 4367, local Japanese research houses have projected a 12-month fair value range of ¥2,800 to ¥3,200, depending on the stabilization of energy prices in the Japanese industrial sector.

3. Analysts' View on Risks (Bear Case)

Despite the fundamental strength, analysts warn of several headwinds that could suppress the stock price:

Raw Material Volatility: As a downstream chemical processor, Koei is highly sensitive to the prices of naphtha and basic petrochemical feedstocks. Analysts from Nomura suggest that if global oil prices remain volatile in 2026, Koei’s operating margins may face compression unless they can successfully pass costs to end consumers.

Low Liquidity Risk: Market analysts frequently cite "low trading volume" as a risk for institutional investors. The relatively small free float can lead to high price volatility and difficulty in entering or exiting large positions without impacting the market price.

Environmental Regulations: Stricter "Green Transformation" (GX) policies in Japan require chemical companies to invest heavily in carbon-neutral manufacturing. Analysts are monitoring Koei’s capital expenditure (CapEx) to see if these environmental costs will weigh on net income in the coming years.

Summary

The prevailing view among analysts is that Koei Chemical (4367) is a robust, value-oriented play within the specialty chemicals space. While it lacks the explosive growth of high-tech sectors, its fundamental role in the pharmaceutical and electronics supply chains makes it an attractive "hidden gem" for value investors. The consensus remains that as long as the company maintains its technical edge in fine organic synthesis, the stock offers a stable combination of dividends and moderate capital appreciation potential for the 2026 fiscal year.

Further research

KOEI CHEMICAL COMPANY LIMITED (4367) FAQ

What are the investment highlights of KOEI CHEMICAL COMPANY LIMITED and who are its main competitors?

KOEI CHEMICAL COMPANY LIMITED is a specialized chemical manufacturer and a consolidated subsidiary of Sumitomo Chemical Co., Ltd. Its primary investment highlights include its strong niche position in fine chemicals, particularly in pyridine derivatives, pyrazine derivatives, and ionic liquids. The company serves diverse industries such as pharmaceuticals, agrochemicals, and electronic materials. Its integration within the Sumitomo Chemical Group provides stable R&D support and supply chain advantages.
Main competitors in the specialty chemicals sector include Nippon Soda Co., Ltd. (4041), LONSEAL CORPORATION (4223), and Kanto Denka Kogyo Co., Ltd. (4047), although Koei's specific focus on nitrogen-containing heterocyclic compounds gives it a unique competitive edge.

Are the latest financial data of KOEI CHEMICAL COMPANY LIMITED healthy? What are the revenue, net income, and debt levels?

According to the financial results for the fiscal year ended March 31, 2024, and the latest quarterly updates, the company's financial health remains stable but faces pressure from rising raw material costs.
For the full fiscal year 2024, Koei Chemical reported net sales of approximately 18.9 billion JPY. The company reported a Net Income of approximately 540 million JPY.
The balance sheet is generally considered conservative; as of the latest reporting period, the Equity Ratio remains high (typically above 60%), indicating a low reliance on external debt and a strong capital base. However, investors should monitor the impact of fluctuating energy prices on operating margins.

Is the current valuation of KOEI CHEMICAL (4367) high? How do the P/E and P/B ratios compare to the industry?

As of mid-2024, KOEI CHEMICAL (4367) often trades at a valuation that reflects its status as a stable, small-cap subsidiary.
The Price-to-Earnings (P/E) ratio has recently hovered around 15x to 18x, which is roughly in line with the average for the Japanese specialty chemicals sector.
The Price-to-Book (P/B) ratio is often near or slightly below 0.6x to 0.8x. A P/B ratio below 1.0 suggests the stock may be undervalued relative to its assets, a common characteristic among many Japanese chemical firms, which has recently drawn attention due to Tokyo Stock Exchange (TSE) initiatives urging companies to improve capital efficiency.

How has the stock price of KOEI CHEMICAL performed over the past three months and year compared to its peers?

Over the past twelve months, KOEI CHEMICAL's stock price has shown moderate volatility, influenced by the broader recovery of the Japanese equity market (Nikkei 225).
While it has benefited from the general "value stock" rally in Japan, it has occasionally underperformed larger-cap peers due to lower liquidity and specific headwinds in the semiconductor-related chemical supply chain.
Over the last three months, the stock has traded in a relatively tight range, reacting primarily to earnings announcements and dividend policy updates. Compared to the TOPIX Chemicals Index, Koei Chemical tends to be less volatile but can lag during rapid market upturns due to its lower trading volume.

Are there any recent positive or negative news trends in the industry affecting KOEI CHEMICAL?

Positive: There is a growing demand for high-purity chemicals used in next-generation batteries and electronic components. Koei’s expertise in ionic liquids positions it well for long-term trends in green energy and electronics.
Negative: The industry continues to grapple with volatile logistics costs and the weakening Yen, which increases the cost of imported raw materials. Additionally, stricter environmental regulations in Japan and Europe regarding chemical manufacturing processes require ongoing capital expenditure for compliance.

Have any major institutions recently bought or sold KOEI CHEMICAL (4367) stock?

As a subsidiary, the majority shareholder is Sumitomo Chemical Co., Ltd., which holds over 50% of the shares, ensuring stable corporate governance.
Recent filings indicate that institutional ownership remains relatively low, typical for a company with a smaller market capitalization. However, Japanese regional banks and domestic investment trusts maintain small, stable positions. There has been no significant "activist" entry reported recently, but the stock is often included in passive funds tracking small-cap Japanese indices. Investors should note that the low free float can lead to higher price sensitivity when even small institutional trades occur.

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TSE:4367 stock overview