Company Information

Company Outlines

Company Name Mitsui Optical Manufacturing Co., Ltd.
Addresses Head Office: 2-3-3 Wada, Suginami-ku, Tokyo
Akita Factory: 120-21 Aza-Nanamagari-dai, Kawahetojima, Akita-shi, Akita
Fukushima Factory: 10-243, Aza-Oyama, Oaza-Iitoyo, Ten-ei-mura, Iwase-gun, Fukushima
Capital 10,000,000 yen
Representative Director Tatsuro Mitsui
Number of Employees 69 (52 men, 17 women)
Main Businesses Polishing of various kinds of optical prisms, vapor-deposition, coating, cementing, bonding and assembling of optical devices
Main Banks The Mitsubishi Tokyo UFJ Bank (Shinjyuku Fukutoshin Branch), Shoko Chukin Bank (Shinjyuku Branch) , Tokyo City Trust Bank (Honancho Branch)
Main Customers Nagano Olympus Co., Ltd., Cosina Co., Ltd., Sony EMCS Corp., Panasonic Corp.
Affiliated Company Specwell Corporation

Company History

1951 At the current premise of the head office, Genzo Mitsui started the business of polishing flat glass surfaces for making mirrors.
1952 Started manufacturing polo-prisms for binoculars.
1953 Started manufacturing polo-prism binoculars for export markets.
1962 Commenced manufacturing high-performance prisms.
1973 Constructed Fukushima Factory in Ten-ei-mura, Fukushima.
1980 Built the current head office building.
1991 Constructed Akita Factory in the Rinkai-kukou Industrial Zone, Akita.
2004 Constructed a new building for Fukushima Factory, Akita Factory obtained ISO14001 certification.
2005 Fukushima Factory obtained ISO14001 certification.
2006 Akita Factory obtained ISO9001 certification.
2007 Commenced coating business. Head office and Fukushima Factory obtained ISO9001 certifications.
2013 Launched multiple-plate prism unit manufacturing business.
2014 Started business of making optical contact products. Head office obtained ISO14001.