Ishihara Chemical

What Ishihara Chemical does

Ishihara Chemical Co., Ltd. (石原ケミカル株式会社) is a Kobe-headquartered, Tokyo Stock Exchange Prime Market-listed (ticker 4462.T) specialty chemical manufacturer founded in 1900, built around an interface chemistry technology platform that the company applies to cleaning, emulsification, bonding, lubrication, and polishing at gas/liquid/solid boundaries. The company operates four business segments: (1) Metal Surface Treatment Chemicals and Equipment, anchored by Japan's domestic top-share lead-free tin and tin alloy plating solutions for printed circuit board component joining and by automatic chemical process control equipment; (2) Electronic Materials, including fine ceramics, super engineering plastics (Vespel polyimide and PEEK, distributed in Japan under agreements with DuPont and via an authorized Corning Macor distributorship since 1977), carbon products, and an in-house conductive copper nano-ink platform; (3) Automotive Chemicals, marketed under the Unicon brand (in continuous use since 1953) for car wash, body shop repair, and maintenance applications; and (4) Industrial Chemicals, a wholesale and coordination business serving steel, heavy industry, chemical, and government water-treatment customers.

The company monetizes its portfolio primarily through one-time product sales, supported by direct enterprise field sales in Japan anchored at Kobe headquarters and a Tokyo branch, with field technical follow-up as a core part of the go-to-market. Internationally, Ishihara operates a Taiwan branch established in 2021, an Ishihara Kabi (Shanghai) Trading subsidiary established in 2015, and a new Ishihara Kabi (Shanghai) Technology manufacturing subsidiary established in September 2025, plus a Thailand representative office; the wholly owned Kizai Co., Ltd. (acquired October 2019) provides additional chemical distribution capacity. For FY ending March 2026, consolidated revenue was ¥23,450 million with operating profit of ¥3,841 million (16.4% operating margin), ROE of 12.7%, ROA of 14.0%, and an 82.4% equity ratio, with ~292 consolidated employees of which approximately one-third are dedicated to R&D and roughly 10% of product sales revenue is reinvested in R&D.

Name

Ishihara Chemical

Legal name

石原ケミカル株式会社 (ISHIHARA CHEMICAL CO., LTD.)

Website

https://unicon.co.jp

Company type

Public

Founded year

1900

Operating status

Operating

Headcount range

101–250 employees

Short description

Ishihara Chemical is a Kobe-headquartered specialty chemical manufacturer using proprietary interface chemistry to produce metal surface treatment chemicals, electronic materials, automotive chemicals, and industrial chemicals for electronics, automotive aftermarket, and industrial customers in Japan and East Asia.

Ownership category

akta.pro rank

Product category

Specialty Chemicals

NAICS

Chemical Manufacturing (325), All Other Chemical Product and Preparation Manufacturing (32599), Other Chemical Product and Preparation Manufacturing (3259)

SIC

Miscellaneous Chemical Products (2890), Chemicals & Allied Products (2800), Wholesale-Chemicals & Allied Products (5160)

akta.pro primary industry

PCB & Electronics Manufacturing Chemicals (Desmear, micro-etch, plating, fluxes) (IMAEAKAL)

akta.pro secondary industries

Metallization & Plating Chemicals (Cu/Co/Ru/Barrier & Seed) (HDAHAGAK), Electronic & High-Purity Specialty Chemicals (IMAEABAD), Conductive/ESD & EMI-Shielding Compounds (IMANABAH)

Keywords

• Metal surface treatment chemicals
• Lead-free solder plating
• Semiconductor plating solutions
• Conductive copper nano-ink
• Automotive aftermarket chemicals

Headquarters

HQ city

Takashima

HQ country

Japan

HQ region

Asia

Offices8 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Technology or R&D, Personnel, Operations, Supply Chain, Marketing or Sales, Infrastructure

Revenue model

1. Metal Surface Treatment Chemicals and Equipment: Sale of tin and solder plating solutions, chemical conversion treatment solution automatic management equipment, and related chemical management systems to electronics manufacturers. This is the company's flagship business segment with domestic top market share in lead-free solder plating.
2. Electronic Materials: Sale of fine ceramics, super engineering plastics (polyimide resin Vespe®, PEEK resin), carbon products (CFRP, glassy carbon), and conductive copper nano-ink. Products sold to semiconductor manufacturing and inspection equipment makers.
3. Automotive Chemical Products: Sale of car washing detergents for gas stations, maintenance chemicals for automotive inspection and repair shops, body shop compounds and chipping coats for auto body repair, and eco-friendly cleaners for factories. The 'Unicon' brand has a long history starting from musical instrument and furniture polishes.
4. Industrial Chemicals: Wholesale distribution of industrial chemicals including acids, alkalis, catalysts, inorganic compounds, and metal compounds. Serves steel, heavy industry, chemical industries, and government entities. Functions as a trading/coordination intermediary providing problem-solving proposals and co-developing high-value-added products with users.

Go-to-market motion3 records

Distribution channels3 records

Marketing channels4 records

Core offering

Ishihara Chemical develops, manufactures, and sells specialty metal surface treatment chemicals (lead-free tin/solder plating solutions, wafer bump plating, electric copper plating) and automatic chemical management equipment for electronics and semiconductor manufacturers; electronic materials (fine ceramics, super engineering plastics, carbon products, conductive copper nano-ink); automotive aftermarket chemicals under the Unicon brand (car wash detergents, repair compounds, welding spatter preventives); and industrial chemicals wholesale to steel, heavy industry, and chemical companies. The company holds domestic top market share in lead-free solder plating solutions and applies its proprietary interface chemistry platform across all product lines.

Product overview

Ishihara Chemical (石原ケミカル株式会社) is a diversified chemical manufacturer offering a portfolio of surface treatment and electronic materials products. The company operates across four main business segments: Metal Surface Treatment Agents and Equipment (including lead-free plating solutions and automatic chemical analysis equipment), Electronic Materials (encompassing fine ceramics, super engineering plastics, carbon products, and conductive copper nano-ink), Automotive Chemicals (featuring the Unicon brand car care products, maintenance chemicals, and welding chemicals), and Industrial Chemicals (wholesale distribution of acids, alkalis, and catalysts). The core technology platform is interface chemistry (surface chemistry), which enables applications from semiconductor manufacturing to automotive surface treatment. The company is particularly noted for its domestic top-share lead-free tin plating solutions for electronic components and is developing next-generation conductive copper nano-ink for printed electronics and antibacterial applications.

Differentiator

Problem solved

Functional benefit

Brands

• UniCon (ユニコン): Automotive polish and chemical products brand including liquid and cream waxes, cleaning agents, repair compounds. Started in 1953 for musical instruments and furniture, expanded to automotive market including Japan's first liquid car wax.
• UniCon Non-Sputter
• UniCon TimBright

Products and services

• Metal Surface Treatment Agents (Plating Chemicals) Electronic component plating solutions including lead-free tin and tin alloy plating liquids with domestic top market share, wafer bump plating liquids for smartphones and tablets, electric copper plating liquids for semiconductors, electroless plating solutions, PCB copper plating solutions, and chip component plating solutions. Used by electronics and semiconductor manufacturers.
• Automatic Control Equipment for Chemicals Chemical conversion process liquid automatic management devices that automatically measure and replenish active ingredients to maintain consistent concentration levels in plating baths, supporting various wet processing processes. Customizable analysis methods, replenishment methods, and linkage with production equipment.
• Fine Ceramics Products Machinable ceramics and engineering ceramics for semiconductor manufacturing equipment, electronic component manufacturing, and medical device applications. Includes authorized distribution of Corning's Macor machinable ceramic in Japan since 1977.
• Super Engineering Plastics High-performance resins including polyimide resin Vespel with 480°C heat resistance (Vespel SP, Vespel SCP grades) and PEEK resin with excellent chemical resistance and low distortion, for semiconductor manufacturing equipment. Vespel and PEEK are sold in Japan under distribution partnership with DuPont.
• Carbon Products CFRP (carbon fiber reinforced plastic) composite materials and glassy carbon for semiconductor manufacturing equipment, offering high strength, lightweight properties, and low particle generation.
• Conductive Copper Nano-Ink Copper nano-particle based conductive ink produced in-house from raw copper nano-powder, enabling circuit formation through printing on paper, engineering plastics, metal, and glass substrates, with applications in RF tags, LEDs, touch sensors, and power devices. Films after sintering achieve resistivity close to pure copper and the ink is compatible with photo-sintering at room temperature.
• Automotive Chemicals (Unicon Brand) Unicon brand automotive chemicals including car wash machine detergents, maintenance chemicals for inspection, repair compounds (NEO-EX Series, Platinum Final Superior), chipping coats, Unicon 50 series surface treatment products, and eco-friendly cleaning agents for professional use by automotive dealers, body shops, gas stations, and maintenance workshops.
• Welding Chemicals (Non-Sputter) Welding spatter adhesion prevention agents (Non-Sputter series) used in shipbuilding, automotive, and railway vehicle manufacturing.
• Industrial Chemicals (Wholesale) Industrial chemical wholesale and distribution including acids, alkalis, catalysts, inorganic compounds, surface treatment agents for steel plates, and water treatment chemicals for steel, chemical, and environmental industries. Functions as a trading/coordination intermediary providing problem-solving proposals and co-developing high-value-added products with users.
• Copper Nano Antibacterial Antiviral Material Antibacterial and antiviral material utilizing copper nano particle properties for surface treatment applications.
• Copper Nano Spray Coat Spray coating product using copper nano technology for surface treatment and antibacterial/antiviral applications.
• CND Composite Heat Dissipation Material Thermal management material combining conductive copper nano ink technology for electronic device heat dissipation.
• Copper Nano Plating Seed Layer Copper nano plating seed layer for electronic component manufacturing.
• Sintered Copper Bonding Paste for Power Devices Sintering-type copper bonding paste leveraging conductive copper nano ink technology for power device packaging and bonding applications.

Quantifiable outcome

• Domestic top market share in lead-free tin and tin alloy plating solutions for electronic components
• +3 more outcomes

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

Four partnerships are on record, tiered minor and core.

• 神戸市立工業高等専門学校 (Kobe College of Technology)minorStrategic or Co-development Partner · 1 April 2026Naming rights partnership established April 2026. The Applied Chemistry Department 4th-year classroom (C4) at Kobe College of Technology has been named 'Ishihara Chemical Science Lab' (石原ケミカル サイエンスラボ). This is part of the company's educational support and regional contribution initiatives.
• キザイ株式会社 (Kizai Co., Ltd.)coreOthers · 1 July 2019Fully acquired as a subsidiary in July 2019 (R1). Kizai Co., Ltd. is a related/affiliated company of Ishihara Chemical, expanding the group's chemical distribution and trading capabilities. URL: www.kizai-chem.co.jp
• Corning Incorporated (コーニング・グラスワークス社)coreChannel Partner/ Reseller/ Distributor · 1 March 1977Sales partnership agreement established March 1977 with Corning Glass Works (now Corning Incorporated) for the import and sale of machinable ceramic 'Macor' in Japan. Ishihara Chemical has been an authorized Macor distributor for nearly 50 years.
• DuPont (デュポン™社)coreChannel Partner/ Reseller/ DistributorIshihara Chemical acts as a supporting sales partner (協力販社) for DuPont's Vespel® polyimide resin and PEEK resin products in Japan. These high-performance engineering plastics are sourced, precision machined to user specifications, and supplied to semiconductor manufacturing and inspection equipment makers.

Scale indicators14 records

Recent moves11 records

Expansion highlights6 records

Broad incumbents

• Mitsubishi Chemical Group: Largest Japanese diversified chemical producer; overlaps in electronic materials, industrial chemicals, and engineering plastics (including polyimide/PEEK distribution), competing for Japanese electronics OEM chemical spend though with vastly broader portfolio scale.
• Corning Incorporated: Principal supplier of Macor machinable ceramic that Ishihara has distributed in Japan since 1977; broader specialty materials and semiconductor glass portfolio makes Corning a long-tenured partnership counterparty with overlapping customer relationships.
• Adeka Corporation: Diversified Japanese specialty chemical manufacturer producing polymer additives, electronics materials, and surface treatment chemicals — competes in adjacent Japanese electronics chemistry segments and shares the Tokyo Stock Exchange Prime listing.
• DuPont de Nemours: Principal supplier of Vespel polyimide resin that Ishihara distributes in Japan; broader electronics materials and semiconductor chemical portfolio positions DuPont as both partner and adjacent competitor in high-purity electronic specialty chemicals.

Direct peers

• Element Solutions Inc (MacDermid Enthone Electronics Solutions): Through its MacDermid Enthone brand, Element Solutions supplies plating chemistries for semiconductor wafer-level packaging and PCB manufacturing — directly overlapping Ishihara's flagship surface treatment product lines and competing globally for the same OEM customers.
• Atotech (MKS Instruments): Global leader in specialty plating chemicals for electronics, semiconductors, and PCBs; acquired by MKS Instruments in 2022. Most direct head-to-head competitor to Ishihara's lead-free solder plating and wafer bump plating solutions outside Japan.
• JCU Corporation: Japanese specialty chemical manufacturer focused on surface treatment chemicals for electronics, automotive, and industrial uses — closest Japanese-domestic peer competing in plating chemistry, decorative coatings, and functional chemicals.

Emerging players

• Tokyo Ohka Kogyo (TOK): Japanese supplier of photoresists and high-purity process chemicals for semiconductor and display manufacturing — overlapping customer base and chemical manufacturing capabilities, though focused more on lithography chemicals than plating.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/ishihara-chemical-co-ltd

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Subsidiaries3 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Ishihara Chemical