Seikoh Giken. 

SEIKOH GIKEN Co., Ltd. designs, manufactures, and sells optical components and radio over fiber products in Japan and internationally. It offers precision and optical disc molds; injection molded components and precise manufacturing technology products; and optical communication components, such as interconnect parts, connectors, ferrules, adaptors, jumper cables, optical packaging parts, attenuators, and crimping tools, as well as uniboot connectors. The company also provides optical manufacturing equipment, interferometers, endface cleaners, and field use equipment; lens; isotropic optical e-field sensor heads/optical probe heads, and optical probes for malfunction noise; and X-ray CT scanners, as well as non-destructive testing services. SEIKOH GIKEN Co., Ltd. was founded in 1972 and is headquartered in Matsudo, Japan.