Contributing to basic research in the field of science through advanced technology.

We continue at the top of the industry as Japan's only general manufacturer of filters.
Since our establishment as Japanese first manufacturer of filters for use in chemical analysis, we have met all conceivable needs in the field of filters while contributing to basic research in the field of science.
With our sight set on advanced technological capability and the trend of the new era, we develop and expand our business toward the development of numerous filter media and the manufacture of filtration systems and related equipment, and continue to lead the industry as the only general filter manufacturer in Japan.
Having obtained ISO 9001 certification (International Organization for Standardization) for our Haga Plant, Niigata Plant and Ohkawa Plant, the technical capabilities and quality control systems of these plants are recognized globally.
Having also obtained ISO 14001 certification, our Haga Plant, Niigata Plant and Ohkawa Plant, are moving forward with production activities to adapt to the natural environment.