Ohara Inc. manufactures and sells glass materials for optical and electronic equipment in Japan and internationally. Its products include optical glass for polished and molded aspherical lenses, glass-ceramics sold under the CLEARCERAM-Z, WMS-15, and NANOCERAM names, and GD-FHT, a glass disk used in flying height testers. The company also offers LICGC SP-01 membranes, LICGC PW 01 powders, i-line high homogeneity and non-browning glass, and fiber glass for light guides. Founded in 1935, Ohara Inc. is headquartered in Sagamihara, Japan.