Optoquest is excellent partner for customers by outstanding optical technology. Our core competence is optical connection technology using lens in space, and our key technologies are thin film, optical micro-assembly, and optical design capability for optical communication, laser application, and optical sensor field. Optoquest offers not only optical products, such as polarization controller, wavelength tunable filter, and extinction ratio analyzer but optical engineering services. Optoquest is developing optical fiber gyroscope for space application with our parent company, Yazaki, and commercial production of inertial grade is advanced. Since Optoquest has contributed to progress of opto-electronics for 20 years from the foundation in August 2001, we will be able to satisfy the demand of research and development, volume production planning, and system design from customers.