Kogakugiken Corp

Kogakugiken Corp., established in 1978 by President & CEO Yukikatsu Okada, stands as a global leader in high-precision optical components and optical crystal elements. Our commitment to innovation and crystal processing has garnered international acclaim, with products finding widespread acceptance.

At our Atsugi, Kanagawa headquarters and R&D center, we specialize in developing and manufacturing cutting-edge waveplates, polarizers, crystal products, and advanced devices for applications ranging from solid-state lasers to optical systems. Our dedication to excellence has earned us prestigious awards, including the KANAGAWA Prefecture Industrial Technology Development Grand Award and The Monodzukuri Nippon Grand Award.

As pioneers in UV product lineups, we offer an array of solutions, including UV waveplates, UV polarizers, and UV nonlinear optical crystals. Our large aperture products, featuring zero-order waveplates and calcite Glan-Thompson prisms, cater to diverse industry needs.

Explore the world of precision optics with Kogakugiken Corp., where innovation meets precision.