About Kurita

Kurita is a leading global company in industrial water and process treatment, with over 75 years of experience. We offer state-of-the-art solutions tailored to meet the specific needs of your water systems.

With more than 8,000 employees across 65 companies worldwide, the Kurita Group provides proven solutions that enhance plant efficiency while promoting environmental sustainability.

Our primary focus is on addressing water management challenges, optimizing sustainable energy usage, minimizing waste, and advancing industrial production technologies.

Corporate Philosophy

Study the properties of water, master them, and we will create an environment in which nature and humanity are in harmony.
  • Creating new functions and value for water through a deep and far-reaching exploration of the essential properties of water.
  • Winning the trust of our customers and society with unique solutions that capitalize on our diverse technologies.
  • Contributing to the realization of a sustainable society by leveraging our mastery of water to create shared value with society.

Our Vision

Pioneering “new value for water“ to contribute to the realization of a sustainable society.
In seeking to realize its corporate philosophy, Kurita Group creates shared value with society through its business, addressing water resource issues, contributing to a decarbonized society and building a circular economy.
Kurita Group creates new value by leveraging knowledge accumulated from a broad array of frontline sites to address social issues.
Kurita Group elevates and refines its technology and human resources to be an indispensable partner to our customers, swiftly providing unprecedented technology and services.

Our Values

Deepen understanding of frontline sites

Our solutions are rooted in a deep understanding of frontline site (Gemba) issues and information. We maximize customer value while also seeking to further elevate our expertise in water.

Elevate and connect expertise

We strive to elevate our knowledge of water and the environment, which are precious. Innovation and the creation of new value are generated by connecting the diverse and ever more sophisticated knowledge accumulated by all.

Exceed expectations

Our desire to challenge ourselves is driven by our aspiration to serve humanity. We always push ourselves to deliver results that exceed expectations. We build trust with our customers through serial success.

Maintain unwavering integrity

We engage sincerely with all of our stakeholders. We fulfil our responsibilities to the future through our single-minded pursuit of solutions to social issues.

Sustainability

Acting today with a responsibility for tomorrow

The social issues facing the world today include fields where Kurita’s accumulated technologies and expertise can make a difference, such as a lack of freshwater and climate change as indicated by the Sustainable Development Goals.

Kurita is committed to promoting lasting change in everything it does and incorporates conservation in its research and development as well as in its solutions for you, our customer.

 > Sustainability Report 2025

Kurita Group Key Figures

Our impact, our progress, our vision.
See how we’re delivering value in our Integrated Report 2025.

NET SALES
1 B US$
employees
1000
GROUP COMPANIES
1
RESEARCH & DEVELOPMENT EXPENSES
1 M US$
PATENTS JAPAN
1
PATENTS OVERSEAS
1

Where innovation begins

Explore Kurita’s global R&D centers driving sustainable water and process solutions.

The Kurita Group promotes research and development on a global scale, primarily from our Kurita Innovation Hub in Japan, as well as from our development base in Germany and Singapore. Our Development Centers are strengthening cooperation with each other. The Group promotes initiatives ranging from research of core technologies to the development of new products, new technologies and new businesses.

Established in 2022 in Akishima, Tokyo, Japan.

  • The Technical Education Center (TEC) includes the exhibition area and training facilities.
  • The Technology Innovation Center (TIC) includes R&D facilities and joint research with stakeholders

Established in 2017 in Jurong Innovation District, Singapore.  Focus on the development of technologies for desalination and waste water recycling.​

Cooperation with research institutions to develop competitive technologies through demonstration.​

Established in 2021 in Viersen, Germany.​

​Cutting-edge research and development facilities, equipped with an employee training center and a visitor center for introducing customers and business partners to R&D efforts.

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Established in 1999 San Marcos, CA, USA. ​

Global R&D center drives innovation and cost-effective membrane treatment solutions to meet the rising demand for pure water.

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Established in 2024 in Saudi Arabia​

​Focused on driving advancements for refinery and petrochemical plants.​

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Tetsuya Teramoto

Tetsuya Teramoto

Managing Director, Kurita R&D Asia Pte. Ltd.

Mr. Tetsuya Teramoto has served as Managing Director of Kurita R&D Asia Pte. Ltd. since 2024. Since joining Kurita Water Industries in 2006, he has accumulated nearly 20 years of experience in technology strategy, research and development, and business innovation, including investments in startup companies.

Throughout his career, Mr. Teramoto has led development projects across Japan, China, and the United States. Since 2023, he has been based in Singapore, where he has focused on accelerating technology development aligned with ASEAN market needs, strengthening partnerships with startups, universities, and other ecosystem stakeholders, and driving the creation of emerging solutions that contribute to the Kurita Group’s growth.

Mr. Teramoto holds a Master’s degree in Biosystem Studies from the University of Tsukuba, Japan. Leveraging his expertise in both research and development and business strategy, he is committed to driving innovation that transforms technology into business value and sustainable growth opportunities.

Zackariya

Mohamad Zackariya

Managing Director, Kurita (Singapore) Pte. Ltd.

Mr. Mohamad Zackariya has served as Managing Director of Kurita (Singapore) Pte. Ltd. since April 2023, capping a distinguished career of more than 25 years with the company. A Singaporean national, he joined Kurita Singapore in 1998 as a Design Engineer in the Plant Division and progressed through a series of leadership roles, including Manager, General Manager, Director, and ultimately Managing Director. His extensive experience has played a key role in strengthening the company’s technical capabilities, customer partnerships, and business growth across the region.

Holding a Bachelor’s Degree in Mechanical Engineering from University of Moratuwa, Sri Lanka and a Post Graduate Diploma in Business Management from Singapore Institute of Management, Mr. Zackariya combines deep technical expertise with strong business leadership. He is committed to advancing Kurita’s mission of creating shared value through innovation, operational excellence, and sustainable water solutions that support customers and industries throughout Southeast Asia.

Masato Hirai

Masato Hirai

Chief Administration Officer, ASEAN Regional

Mr. Masato Hirai serves as ASEAN Regional Chief Administration Officer at Kurita, a role he has held since 2023. With more than 25 years of experience in corporate administration, financial planning, and business operations, he brings extensive expertise in supporting organizational growth, strengthening governance, and driving operational excellence across international business environments.

Mr. Hirai joined Kurita Group in 2021 and has held leadership positions in Japan, Malaysia, Thailand, and Indonesia. Throughout his career, he has been responsible for financial planning and analysis, business administration, and the management of cross-functional corporate operations. He has also supported overseas subsidiaries across Asia, Europe, and North America, contributing to the development of effective business practices and strong stakeholder relationships. Prior to joining Kurita, he held management and planning roles at several multinational manufacturing and chemical companies.

Known for his strategic vision and collaborative approach to leadership, Mr. Hirai is committed to strengthening organizational performance and creating long-term sustainable growth. Currently based in Indonesia, he leverages extensive international experience to support Kurita’s regional development and business transformation initiatives. He graduated from Hitotsubashi University, Japan, with a Bachelor of Social Sciences degree in 1999.

Toshiaki Nakai

Toshiaki Nakai

General Director, Kurita-GK Vietnam Co. Ltd.

Mr. Toshiaki Nakai serves as General Director of Kurita-GK Vietnam Co. Ltd., a position he has held since April 2026. With more than 20 years of experience at Kurita, he has developed extensive expertise in water treatment solutions, business development, and customer partnership management across a wide range of industrial sectors, including general manufacturing, oil refining, and steel production.

Since joining Kurita Water Industries Ltd. in 2004 as a Sales Engineer, Mr. Nakai has supported customers in optimizing water use, enhancing operational efficiency, and advancing sustainability initiatives. He later expanded his leadership responsibilities in Indonesia, serving as General Manager of PT. Kurita Indonesia from 2022 to 2025 and Senior General Manager from 2025 to 2026, where he contributed to the company’s growth and strengthened its market presence.

Mr. Nakai holds a Bachelor’s Degree in Agriculture from Kobe University, Japan, graduating in 2004.

Toshinori Maema

Toshinori Maema

President Director, P.T. Kurita Indonesia

Mr. Toshinori Maema has served as President Director of PT. Kurita Indonesia since 2025, bringing over 20 years of experience in sales, marketing, technical, and business leadership within the water treatment industry. Having worked across Asia, Europe, and North America, he offers a global perspective on customer engagement, organizational development, and sustainable business growth.

Since joining the Kurita Group in 2004, Mr. Maema has held leadership positions at various Kurita companies in China, Europe, Japan, and Avista Technologies in the United States, where he served as President & CEO from 2023 to 2025 to focus on global initiatives to expand the Kurita reverse osmosis chemicals business. With more than half of his career spent outside Japan, he has developed extensive experience in leading multicultural teams and driving business growth across diverse markets.

Mr. Maema holds a degree in Biochemistry from Aoyama Gakuin University and completed the Leadership on Change program at IESE Business School. Fluent in Japanese, English, and Chinese, with elementary proficiency in German, he is passionate about fostering collaboration across cultures. Outside of work, he enjoys a wide range of sports, including golf, baseball, soccer, and basketball.