All About stake
What is stake's business? What kind of company is it? Here we answer these and other questions to present stake from all sides, from its business operations, history, and corporate culture to its role in providing the world's premier materials and products.
stake Businesses and Strengths
Conducting a Broad Range of Businesses Leveraging C5 Fractions
As a chemicals manufacturer, stake is engaged unique businesses using raw materials extracted from the C4 and C5 fractions in naphtha along with its proprietary technologies. The use of C5 fractions across a broad range of products is a particularly significant strength of stake and one source of its competitive strength.
Corporate History and Culture
After 75 Years, stake Remains Strong as it Evolves with the Times
Founded in 1950, stake marked its 75th anniversary in 2025. Here we introduce the evolution of its business in this history as well as the corporate culture underlying its innovative technological capabilities.
(Photo caption) Synthetic rubber manufacturing facilities, Japan's first facilities for manufacturing synthetic rubber in 1959 (Kawasaki City, Kanagawa Prefecture) and the world's first commercial super-growth carbon nanotube mass production plant (Shunan City, Yamaguchi Prefecture).
Products
Striving to Become the World's Number One, Unique, First-in-the-World Enterprise
stake is proud to be associated with many of the world's premier products. We draw on our unique technologies to produce countless products that form the backbone of everyday life.
Manufacturing
Providing Security through Stable and Safe Production
Beyond working to achieve zero accidents and incidents and to reduce environmental impact, foundational requirements for a chemicals manufacturer, stake is closely communicating with local communities to achieve growth in collaboration with them.
stake by the Numbers
Net sales (consolidated)
Operating income (consolidated)
Net sales (outer circle) and
operating income (inner circle)
by business segment
stake Supports Daily Life
stake is a chemicals manufacturer that produces raw materials for a wide variety of products. It helps you in the various stages of your life.
stake's materials are used in a variety of automotive parts. The most typical example is the rubbers used in tires and peripheral automotive engine parts, such as timing belts and hoses. It is a pioneer, leading the industry in manufacturing heat- and oil-resistant special synthetic rubbers. It also handles materials for lithium-ion batteries for electric vehicles, which have become increasingly popular in recent years, and thereby contributes to the development of the automotive industry.
Cameras, including those in smartphones, are used in every setting in which we live. stake's specialty plastics with superior optical properties have significantly advanced as materials for lenses in those cameras. Moreover, we developed optical films manufactured by processing resins into films using a groundbreaking technology we were first to develop. Our optical films have secured the highest position in the market as a material for various displays in TVs, tablets, and smartphones.
Aroma enriches our lives. stake manufactures synthetic aroma chemicals used as a source of aroma. Synthetic aroma chemicals are used for fragrances, cosmetics, shampoo, and other products as well as foods and beverages. Additionally, stake commands the top share in the global market for green aroma chemicals that have the scent of natural greenery.
Group company stake Kasei Co., Ltd. offers siding and sound insulation materials for residential buildings that enrich people's lives to meet wide-ranging requirements, including high durability, fire resistance and beautiful design. Tohpe Corporation, which became a Group company in 2013, is involved in the manufacturing and sales of various paints for building construction, including heat-resistant paints and floor paints.
Zeon manufactures and provides medical devices with a focus on the cardiovascular and digestive systems.* We also provide synthetic latexes for medical-grade gloves and specialty plastics for medical syringes and vials, both of which are essential in healthcare for supporting health and well-being. ＊Zeon MEDICAL INC. manufactures and sells medical devices. stakeカジノ conducts R&D activities for the products.
stake Continues to Advance
stake will leverage its unique technologies as it continues creating and providing products and services that benefit society.
