Our company has a century of manufacturing experience in highly customized gear drives, highspeed acceleration and reduction gears for compressors and turbine generators, mill drives for cement and coal, and gear couplings. The most demanding and carefully engineered products in the world are made by Sumitomo Heavy Industries Gearbox Co., Ltd.
|Founded as Osaka Seisasho Co., Ltd.
|Changed the corporate name to Osaka Seisa-zoki Co., Ltd.
|Acquired Mizoguchi Gear Factory to start the manufacturing of gears and transmissions
|Listed on the Osaka Securities Exchange
|Acquired capital in Nihon Kikai Seisa Co., Ltd.
|Became a member of the Kobe Steel group following capital investments by Kobe Steel, Ltd.
|Started operations for the Takasago Factory as the
successor to Shinko Mizoguchi Gear Co., Ltd. Participated in technical
cooperation for SF coupling with FALK of the U.S. and for worm gears and worm
reduction gears with JOHN HOLROYD of Britain.
|Joined an international member of the American Gear Manufacturers Association (AGMA)
|Transferred the manufacture and sales of anchor chain to subsidiary Nihon Kikai Seisa Co., Ltd.
|Consolidated the head office and factory at 4-16-1 Wakihama, Kaizuka.
|Obtained "ISO 9001" certification for Quality Management System Standards.
|Became its member of the Sumitomo Heavy Industries
group following capital investment by Sumitomo Heavy Industries, Ltd.
|Made Toyo Seimitsu-zoki Co., Ltd. a special subsidiary
|Megerd with Nihon Kikai Seisa Co., Ltd
|Merger with Toyo Seimitsu-zoki Co., Ltd.
|Changed the corporate name to SEISA Gear, Ltd.
|Delisted from the Osaka Securities Exchange through a stock swap with the parent company Sumitomo Heavy Industries, Ltd.and became a wholly owned subsidiary
|Merged with Ueda Hagurama Seiki Kogyosho Co., Ltd.
|Obtained “ISO14001” certification for
Environmental management System Standards
|Changed the corporate name to Sumitomo Heavy Industries Gearbox Co., Ltd.