Consumer electronics, IT, Telecom, Bio, Space development Optical thin film technology, applicable to new technologies

Since OCJ’s establishment in 1946, we have worked on improving optical thin film technology, constantly pursuing the cutting edge ,
including the establishment of high frequency plasma ion process ing.
Our products have demonstrated high reliability in a wide range of fields including consumer electronics,
IT, bio, and space development. As a problem-solving company that proposes new possibilities of technology,
we will continue to pursue customer satisfaction by responding to various customer needs.

Company profile