Company Profile

Optical Coatings Japan

Company Name

1-5-1, Marunouchi, Chiyoda-ku, Tokyo 100-8405, Japan

TEL : +81-3-3218-7998



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Optical Coatings Japan works towards the improvement of optical thin film techniques and has pioneered leading-edge technologies such as in the high frequency plasma ion process technology. With its technological excellence and its high quality control system, OCJ products are widely appreciated in home electric appliances, information/communication, biology, space development, etc.


Interference filter, Infrared filter, Laser mirror, Beam splitter, High performance cold mirroron deep dish, Cold mirror / filter, Dichroic mirror / filter, Antireflection, Neutral density filter, Metal coating, DLC coating