Tokuyama Introduces CO2-Free Fuel Supply and Combustion Equipment
Tokuyama Corporation has introduced CO2-free fuel supply and combustion equipment at its Nanyo plant, advancing the decarbonization of carbon-negative concrete.
Tokuyama Corporation
株式会社トクヤマ
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Basic information
- Head office
- Front Place Akihabara, 1-7-5 Gokanda, Chiyoda-ku, Tokyo
- Chief executive
- Tomohiro Inoue
- Capital
- 10,000,000,000 (100 100 million)
- Employees (non-consolidated)
- 2,652 people
- Employees (consolidated)
- 6,390 people
- Start date
- 1918-02-16
- End date
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Websites
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Business
Electronic Advanced MaterialsLife SciencesChemical ProductsCementEnvironmentManufacturing and sales of chemical products (soda ash, calcium chloride, chloralkali, PVC)Manufacturing and sales of cement and resourcesManufacturing and sales of silicon (high-purity multicrystalline silicon) and IC chemicals (high-purity IPA)Manufacturing and sales of silica and heat dissipation materials (high-purity aluminum nitride powder)Manufacturing and sales of fine chemicals, microporous films, dental instruments, and diagnosticsManufacturing and sales of environmental (waste recycling) and membranes (ion exchange membranes)
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Network
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History
Established Nihon Sōtatsu Kōgyō Co., Ltd. in Tokuyama Town, Yamaguchi Prefecture (now Shunan City). Founded the soda ash business.
Soda ash business – founded: Established Nihon Sōtatsu Kōgyō Co., Ltd. in Tokuyama-cho, Yamaguchi Prefecture (now Shunan City).
Changed the company name to Tokuyama Sōtatsu Co., Ltd.
Changed company name to Tokuyama Sōtatsu Co., Ltd.
Started cement production using the wet process, utilizing by-products from the soda ash business.
Entered cement business: Started cement production using the wet process, utilizing by-products from the soda ash business.
Started manufacturing calcium chloride as part of inorganic chemical business expansion.
Expanded inorganic chemicals business: Started calcium chloride production.
Founding period – dedicated to soda ash industry.
Period of inorganic-related business expansion.
Entered the electrolytic soda business and began manufacturing caustic soda via electrolysis.
Entered the electrolytic soda business: shifted production of caustic soda, previously co-produced with soda ash, to the electrolysis process.
Started wet silica production (ceased production in 2010).
Started wet silica production (ceased production in 2010).
Began production of wet-process silica (production ceased in 2010).
Completed the Nanyo plant in Nanyo Town, Yamaguchi Prefecture (now Shunan City) for cement business expansion.
Completed Nanyo plant in Nanyo-cho, Yamaguchi Prefecture (now Shunan City) for cement business expansion.
Period of petrochemical-related business expansion.
Started producing propylene oxide (PO) using chlorine co-produced with caustic soda.
Entered petrochemical business: Started propylene oxide (PO) production using chlorine produced alongside caustic soda.
Established a subsidiary for manufacturing vinyl chloride resin.
Entered chlorvinyl business: Established a subsidiary for chlorvinyl resin production.
Started manufacturing ion exchange membranes.
Entered ion exchange membrane business: Started ion exchange membrane production.
To expand its petrochemical business, built a new perchloroethylene and carbon tetrachloride plant at the East Plant.
Started manufacturing polypropylene (PP) (sales transferred to Prime Polymer Co., Ltd. in 2001).
Entered polypropylene business: Started polypropylene (PP) production (sales transferred to Prime Polymer Co., Ltd. in 2001).
Started manufacturing isopropyl alcohol (IPA).
Started isopropyl alcohol (IPA) production.
Period of SP and processing-type business expansion.
Started manufacturing biaxially oriented polypropylene film (OPP).
Entered film business: Started biaxially oriented polypropylene film (OPP) production using PP as raw material.
Manufactured and sold dental equipment. Established joint venture Tow Technology Co., Ltd. (merged into Tokuyama Dental Co., Ltd. in 2001).
Entered dental equipment business: Established joint venture Tow Technology Research Co., Ltd. for manufacturing and sales of dental equipment (integrated into Tokuyama Dental Co., Ltd. in 2001).
Established Fujisawa Research Institute in Fujisawa City, Kanagawa Prefecture (merged into Tsukuba Research Institute in 2001).
Established the Fujisawa Research Laboratory in Fujisawa City, Kanagawa Prefecture (integrated into the Tsukuba Research Laboratory in 2001).
Established resin sash manufacturing company Shannon Co., Ltd. (now Excel Shannon Co., Ltd.; excluded from consolidation in 2023).
Expansion into building materials: Established Shanon Co., Ltd., a resin sash manufacturing company (now Excel Shannon Co., Ltd.; excluded from consolidation in 2023).
Released household dehumidifier 'Mizutori Zou-san' (sales transferred to Okamoto Co., Ltd. in 2004).
Expansion into lifestyle-related business: Released household dehumidifier 'Mizutori Zou-san' (business transferred to Okamoto Co., Ltd. in 2004).
Entered the fine chemicals business: launched a material for plastic eyeglass lenses.
Released high-purity IPA for electronic industry.
Expansion into electronics business: Released high-purity IPA for electronic industry.
Entered the diagnostic systems business: launched the diagnostic reagent “Polyamine Test-Enzyme.”
Replaced the diaphragm with an ion-exchange membrane at the diaphragm-cell electrolytic soda plant.
Launched PALFIQUE, a groundbreaking dental composite resin.
Started manufacturing high-purity multicrystalline silicon.
Expansion into multicrystalline silicon business: Commenced production of high-purity multicrystalline silicon.
Started manufacturing aluminum nitride powder via reduction nitridation method.
Expansion into aluminum nitride business: Commenced production of aluminum nitride powder using proprietary reduction nitridation method.
Opened the Kashima Plant in Hasaki Town, Ibaraki Prefecture (now Kamisu City) to expand the fine chemicals business.
Entered the sensor business: acquired an equity stake in Figaro Engineering Inc., a manufacturer of gas sensor elements and equipment.
Established A & T Co., Ltd.
Established joint venture company A & T Co., Ltd. for diagnostic system business.
Established Tokuyama America Inc.
Established Tokuyama America Inc., a local subsidiary in the United States.
Opened the Tsukuba Research Laboratory in Tsukuba, Ibaraki Prefecture.
Establishment of Tokuyama Europe GmbH.
Established Tokuyama Europe GmbH, a local subsidiary in Düsseldorf, Germany.
Period of expansion for SP and processing-type business.
Established Sun Tox Co., Ltd. (now RM Toseiro Co., Ltd.; excluded from consolidation in 2020).
Established joint venture company Sun Tox Co., Ltd. for film sales (now RM Toseiro Co., Ltd.; excluded from consolidation in 2020).
Changed to Tokuyama Co., Ltd.
Changed company name to Tokuyama Co., Ltd.
Established Han Tok Chemical Co., Ltd.
Established joint venture company Han Deok Chemical Co., Ltd. for semiconductor development solutions in South Korea.
Established New Daiichi Vinyl Co., Ltd. through the integration of the PVC businesses (merged by absorption in 2024).
Established Tokuyama Asia Pacific Pte. Ltd. and Tokuyama Electronic Chemicals Pte. Ltd. (merged into Tokuyama Singapore Pte. Ltd. in 2022).
Established Tokuyama Asia Pacific Pte. Ltd. in Singapore, and Tokuyama Electronic Chemicals Pte. Ltd. as a high-purity chemical purification and distribution hub for the electronics industry (merged the two companies in 2022 to form Tokuyama Singapore Pte. Ltd.).
Established Taiwan Tokyama (Stock).
Established Taiwan Tokyama (Stock) Co., Ltd. as a high-purity chemical purification and distribution hub for the electronics industry in Taiwan.
Merged into and established as a subsidiary of Sun Tox Co., Ltd.
Integrated the film business into Sun Tox Co., Ltd. and the resin sash business into Shanon Co., Ltd., and established the respective entities.
Established a Resource and Environment Business Group at Tokuyama Manufacturing Plant.
Expansion into resource and environmental business: Established a Resource and Environmental Business Group at Tokuyama Manufacturing Plant.
Tokuyama EM Tech Co., Ltd. changed.
Tokuyama Polypro Co., Ltd. established. Yamaguchi EcoTech Co., Ltd. established.
Renamed subsidiary Tokuso Trading Co., Ltd., which manufactures and sells building materials, to Tokuyama M-Tech Co., Ltd.
Established joint venture company Tokuyama Polypro Co., Ltd. for polypropylene (PP) manufacturing.
Established joint venture company Yamaguchi EcoTech Co., Ltd. for waste incineration ash recycling.
Tokuyama Dental Co., Ltd. established.
Integrated and spun off the dental equipment business, establishing Tokuyama Dental Co., Ltd.
Tokuyama SilTech Co., Ltd. established (2017 absorption merger).
Made the crystalline layered sodium silicate manufacturing and sales company a subsidiary and established Tokuyama Siltech Co., Ltd. (absorbed merger in 2017).
Reorganized into an integrated organization of planning, development, manufacturing, and sales.
Reorganized the business operation system into a fully integrated organization covering planning, development, manufacturing, and sales, and introduced a departmental structure.
Established Shanghai Tokuyama Plastics, a company manufacturing and selling microporous films, in Shanghai, China (liquidated in 2026).
Tokuyama Information Services Co., Ltd. established.
Separated the information systems group and established Tokuyama Information Services Co., Ltd.
Integrated into Astum Co., Ltd.
Integrated the ion exchange membrane business into the joint venture Astum Co., Ltd.
Established Tokuyama Chemical (Zhejiang) in Zhejiang Province, China, a dry silica manufacturing and sales company.
Tokuyama Chemical (Zhejiang) established.
Established Tokuku Mountain International Trade (Shanghai).
Established Tokuyama International Trade (Shanghai) as a local corporation in Shanghai, China.
Established Tokuyama Chemical (Zhejiang), a company manufacturing and selling dry-process silica, in Zhejiang Province, China.
TD Power Materials Co., Ltd. established.
Established TD Power Material Co., Ltd., a joint venture for aluminum nitride white board manufacturing.
Tokuyama Korea Co., Ltd. established.
Established Tokuyama Korea Co., Ltd. as a local corporation in Seoul, South Korea.
Shunan Bulk Terminal Co., Ltd. established.
Established Shunan Bulk Terminal Co., Ltd., a joint venture for bulk cargo storage and shipment of coal and the like.
Excel Shannon Co., Ltd. established.
Established Excel Shannon Co., Ltd. through the integration of the resin sash business.
Tokuyama Malaysia Sdn. Bhd. established.
Established Tokuyama Malaysia Sdn. Bhd., a multicrystalline silicon manufacturing and sales company, in Kuching, Malaysia.
Tokuyama Malaysia Sdn. Bhd. Phase 1 polysilicon plant construction groundbreaking ceremony.
Groundbreaking ceremony for Phase 1 multicrystalline silicon plant construction at Tokuyama Malaysia Sdn. Bhd.
Introduced an executive officer system.
Established Tianjin Tokuyama Plastics, a company manufacturing and selling microporous films, in Tianjin, China (liquidated in 2019).
Tokuyama Malaysia Sdn. Bhd. Phase 2 polysilicon plant construction safety prayer ceremony.
Safety prayer ceremony for construction of Phase 2 multicrystalline silicon plant at Tokuyama Malaysia Sdn. Bhd.
Tokuyama Chiyoda Jip Sum Co., Ltd. opened.
Opened Tokuyama Chiyoda Jip Sum Co., Ltd., a joint venture for waste stone board recycling.
Established Tokuyama (Shanghai), a management company, in Shanghai, China.
Yamaguchi Liquid Hydrogen Co., Ltd., a joint venture for the production of liquefied hydrogen, commenced operations.
Acquired shares in a cement manufacturing and sales company in the French territory of New Caledonia and established Tokuyama Nouvelle Calédonie S.A.
Established FL Tokuyama Co., Ltd. as a spin-off of its plaster business (merged into the company in 2025).
Tokuyama Central Soda Co., Ltd. established (now Tokuyama Soda Sales Co., Ltd.).
Established Tokuyama Central Soda Co., Ltd., a joint venture for soda ash and calcium chloride (now Tokuyama Soda Sales Co., Ltd.).
Hiroshima Tokuyama Seikon Co., Ltd. established.
Established Hiroshima Tokuyama Ready-Mix Concrete Co., Ltd., a concrete manufacturing and sales company.
Tokuyama Malaysia Sdn. Bhd. Phase 2 plant production and sales commenced.
Commenced production and sales of Phase 2 plant at Tokuyama Malaysia Sdn. Bhd.
Nitride aluminum powder expansion plant completed.
Completion of the aluminum nitride powder expansion plant.
Clinker export loading equipment started operation.
Start of operation of clinker loading equipment for export.
Tokuyama METEL begins operations (in 2023, Tokuyama Soda Sales transferred its sales business to Tokuyama Soda Sales, becoming a non-consolidated subsidiary).
Tokuyama METEL, a manufacturer and distributor of industrial cleaning agents, commenced operations (in 2023, Tokuyama Soda Sales Co., Ltd. transferred the sales business of "MetaClean®", and Tokuyama METEL became a non-consolidated subsidiary).
Announced the foundation for the mid-term management plan revival, presenting a vision for a new founding.
Announced the foundation for the mid-term management plan revival: presented "Tokuyama's Vision" for a new founding.
Tokuyama Chiyoda Jipusam Kanto factory completed.
Tokuyama Chiyoda Jipusamu Co., Ltd. completed its Kantō factory.
Absorbed and merged Tokuyama Siltech.
Absorbed and merged Tokuyama Siltech Co., Ltd.
Transferred all shares of Tokuyama Malaysia Sdn. Bhd. to Korea's OCI Co.
Transferred all shares of Tokuyama Malaysia Sdn. Bhd. to Korea's OCI Corporation.
Acquired all shares of Tokuyama Central Soda Co., Ltd. and renamed it Tokuyama Soda Sales Co., Ltd.
Acquired all shares of Tokuyama Central Soda Co., Ltd. and renamed Tokuyama Soda Sales Co., Ltd.
Formosa Plastics Taisun Precision Chemical Co., Ltd. was established.
Formosa Plastics Taisun Precision Chemical Co., Ltd. was established.
Made A & T Co., Ltd. a wholly-owned subsidiary.
Announced Tokuyama's new vision in the 2025 mid-term management plan.
Made A & T Co., Ltd. a wholly-owned subsidiary.
Announced Tokuyama's new vision in the 2025 mid-term management plan.
Established the Advanced Technology Commercialization Center.
Established the Advanced Technology Commercialization Center.
Established Tokuyama Yuyuyu Farm Co., Ltd.
Established Tokuyama Yuyuyu Farm Co., Ltd.
Established Tokuyama Taiwan Research and Development Center Co., Ltd.
Established Tokuyama Taiwan Research and Development Center Co., Ltd.
Merged two local Singapore entities to form Tokuyama Singapore Pte. Ltd.
Merged two local Singaporean subsidiaries to launch Tokuyama Singapore Pte. Ltd.
Established STAC Co., Ltd., responsible for manufacturing and selling high-purity IPA.
Established STAC Co., Ltd., a subsidiary responsible for manufacturing and selling high-purity IPA (isopropyl alcohol) in Korea.
Reorganized two Taiwanese subsidiaries and renamed Tokuyama Taiwan Research and Development Center Co., Ltd. to Tokuyama Taiwan Co., Ltd.
Reorganized two Taiwanese subsidiaries and renamed Tokuyama Taiwan Research and Development Center Co., Ltd. to Tokuyama Taiwan Co., Ltd.
Reorganized two Taiwanese subsidiaries and changed the name of Tokuyama Taiwan Research and Development Center Co., Ltd. to Tokuyama Taiwan Co., Ltd.
Absorbed and merged Tokuyama Information Services Co., Ltd.
Absorbed and merged Tokuyama Information Services Co., Ltd.
Four cement direct sales companies merged into Tokuyama Trading Co., Ltd.
Four cement direct sales companies merged into Tokuyama Trading Co., Ltd.
Opened a second research institute in Tsukuba City, Ibaraki Prefecture.
Established the Tsukuba Second Research Institute in Tsukuba City, Ibaraki Prefecture.
Absorbed and merged Shin Daiichi Shio Bi Co., Ltd.
Absorbed and merged New First Vinyl Chloride Co., Ltd.
Merged with New Daiichi PVC Co., Ltd.
Established TOKUYAMA VIETNAM CO., LTD. in Bavi Province.
Established Tokuyama Vietnam Co., Ltd., a semiconductor polysilicon manufacturing and sales company in Binh Duong Province, Vietnam.
Established TOKUYAMA VIETNAM CO., LTD. in Ba Ria-Vung Tau Province, Vietnam, to manufacture and sell polycrystalline silicon for semiconductors.
Absorbed and merged FL Tokuyama Co., Ltd.
Absorbed and merged FL Tokuyama Co., Ltd.
Established Tokuyama India Private Limited.
Established the local subsidiary Tokuyama India Private Limited in India.
Established OCI Tokuyama Semiconductor Materials Sdn. Bhd.
Established OCI Tokuyama Semiconductor Materials Sdn. Bhd., a company manufacturing and selling polycrystalline silicon intermediates for semiconductors, in Sarawak, Malaysia.
Acquired an IVD/IVDM business company and renamed to Tokuyama Life Sciences Co., Ltd.
Acquired a company operating the IVD and IVDM businesses and renamed the company overseeing those businesses Tokuyama Life Science Co., Ltd.
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News
Tokuyama Introduces CO2-Free Fuel Supply and Combustion Equipment
Tokuyama Report 2026 Integrated Release
On October 1, 2026, Tokuyama published its integrated report titled "Tokuyama Report 2026" to communicate its value creation process and medium‑to‑long‑term business strategy. The report provides an overview of the Medium‑Term Management Plan 2030, covering business strategy, finance, and sustainability, and outlines the company’s growth strategy toward 2030. President Inoue, newly appointed, shares his vision and aspirations in the President’s Message.
Tokuyama Co., Ltd. sells all shares of its domestic cement business and completes subsidiary split
Tokuyama Co., Ltd. sold all shares related to its domestic cement and hardener sales business to TAIHEIYO CEMENT CORPORATION and completed the subsidiary split (simple absorption-type split). As part of the sale, shares of the domestic sales business and some integrated subsidiary shares were transferred, and the subsidiary structure was also changed. Additionally, the recognition of special gains and special losses was reported.
Announcement of Tokuyama Cement Stock Transfer and Company Split Completion
On March 25, 2026, Tokuyama Cement Co., Ltd. transferred its domestic sales business and certain consolidated subsidiary shares to Pacific Cement Co., Ltd. As a result, it established a wholly-owned subsidiary and carried out a simplified absorption split. After completion, it announced that it had recorded special profit and special loss.
Tokuyama to Exhibit at TOKYO PACK 2026 for the First Time
Tokuyama Corporation will exhibit for the first time at TOKYO PACK 2026, held at Tokyo Big Sight from October 14 to 16, 2026. It will introduce products including polyethylene-based microporous moisture-permeable films. Visitors are asked to register and visit the company’s booth.
Tokuyama Updates Safety Data Sheets
Tokuyama Corporation updated the safety data sheets for Toxso SD-1, SD-20, and SD-25 in its Electronics Materials Division. The updated sheets are available through the download form.
Tokuyama Expands AlN Powder Capacity 30%
Tokuyama announced that it will expand its aluminum nitride powder production capacity by 30% by constructing a new facility at the Center for Commercialization of Advanced Technology in Japan, in response to growing demand.
Tokuyama to Increase Aluminum Nitride Powder Production Capacity by 30%
Tokuyama Corporation announced that new production equipment at the Advanced Technology Commercialization Center in Yanai, Yamaguchi Prefecture, will increase its aluminum nitride powder production capacity by about 30% from the current level. Commercial operation is scheduled to begin in April 2028. The expansion is intended to stabilize supply and meet growing market demand.
Requests Open for Printed Copies of the Tokuyama Report 2026 (Integrated Report)
Requests are now being accepted for printed copies of the Tokuyama Report 2026 (Integrated Report). Interested readers can apply through Eco Hotline (Inforward Co., Ltd.). Shipment of the booklet is entrusted to Eco Hotline, and personal information is handled under the company’s policies.
Tokuyama Corporation Publishes 2026 TCFD Report
Tokuyama Corporation published TOKUYAMA TCFD REPORT 2026. The report strengthens climate-related disclosure and is organized around areas including governance, strategy, and risk management. It expands analysis linked to the medium-term management plan and of climate-related risks and opportunities, and provides specific information on financial impacts and responses.
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Sources & updates
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UPDATED2026-10-17 17:25 · Model: GPT-6 Luna