Kogakugiken, since 1978, makes polarizers/retarders using bulk materials.
Since established 1978, Kogakugiken specializes in manufacturing various kinds of polarizers and retarders using bulk materials and our products have been adopted for mostly semiconductor manufacturing and medical equipment domains.
Kogakugiken Corp.
135 Nurumizu, Atsugi-shi, Kanagawa 2430033, Japan
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