"OptoSigma" was born in 1995 as a California Corporation as a subsidiary of SigmaKoki Co., Ltd., Tokyo Japan. SigmaKoki was born in Japan in 1977. Today, OptoSigma is our global brand name with affiliates in France, Germany, Singapore and China.

Our motto follows three important words, Appreciation, Challenge, and Creation. Through creation, we follow a Japanese word, "Monozukuri" that can be defined as the art, science, and craft of manufacturing.

Through "Monozukuri", we employ the highest quality standards for craftsmanship and continue to seek ways to improve our process, efficiency, and methods, all for the benefit of our highest priority.