Tokyo Ohka Kogyo Product Site
New Business Fields
TOK will provide high value-added products that will aid in solving the problems of the new era as well as new markets by utilizing unique technologies and know-how cultivated over the years.
Bio/Life Science
We develop structure forming materials and functional coating materials for cell culture vessels, microfluidic devices, inspection devices, and medical instruments. We offer a lineup of products that involve low cytotoxicity and low autofluorescence.
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Optical Devices/Optical Components
We develop nanoimprinting materials that can be used to form the structure of optical elements for AR/VR and 3D sensors.
The ultra-thin hydrophilic coating material with visible light transmission of ≈100% can be used as a functional coating that does not interfere with optical properties for transparent materials such as automobiles,
construction materials, glasses, goggles, and cameras.
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Separation Membrane
We have developed porous polyimide films that feature extremely uniform pore diameters (25-270 nm) and thinness (25-40 μm), properties suitable for separation membranes and other applications. It is our unique dispersion technology that allows us to achieve these uniform pore diameters. Fine particles are uniformly dispersed in the coating liquid, and a porous structure is formed by removing the fine particles during the film manufacturing stage. Our polyimide films, with such characteristics as high heat resistance, chemical resistance, and air and liquid permeability, expect to see use in a variety of applications.
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