OSHITARI LABORATORY, INC. was established in December 1952 and is a pioneer in air filtration and cleanroom contamination-control technology in Japan. In 1965, the company developed Japan’s first domestically produced HEPA filter compliant with MIL-STD standards under the “Super Air Filter” brand, followed in 1980 by the development of ultra-high-efficiency ULPA filters and cleanroom ceiling grid systems for large-scale integrated circuit (LSI) semiconductor fabs.
Headquartered in Sayama-shi, Saitama Prefecture, the company maintains its Sayama Factory, Kitakami Factory, and sales branches in Tokyo, Nagoya, and Osaka, employing 110 personnel across its design, manufacturing, and R&D divisions.