Corporate Information

Corporate History

1897

Established as repair plant of Old Iwaki Colliery Company in Fukiyachi, Joban Yumoto, Iwaki city on January.

1918

Moved to Uchigo, Iwaki city (present address) on July.

1937

Established Steel casting factory, and started manufacturing of carbon steel castings / special steel castings on November.

1938

Built Machinery plant additionally and started sales to Keihin industrial zone as well as self manufacture on March.

1939

Started manufacturing of Hydraulic turbine generator. In 1941, became designated factory of Navy and delivered products to naval shipyard and other facilities.

1944

Merged Old Iwaki Colliery Company with Old Iriyama Saitan Company. Renamed as Joban Tanko Company.

1946

Manufactured mechanization facilities for inside/outside of tunnels (pumps and fittings, winches, steel ore cars, and various types of conveyer, etc.) after the war for modernization of Joban Tanko.

1954

Closed patent licensing contract with Institute for Materials Research, Tohoku University on manufacturing process for high grade cast iron concurrently with start of sales on May.

1961

Newly opened second cast steel factory and second machine factory for building up casting and machining ability.

1963

Separating from Joban Tanko Company on March.

1967

Newly opened Large canning factory for building up power of plate working. Became designated factory of Lloydfs Register Group.

1970

Newly established Iron casting factory (Sumiyoshi) in Kanasaka machi, Uchigo, Iwaki city on March.

1980

Obtained Factory of wrought and steel castings certification of Nippon Kaiji Kyokai.

1985

Built additional assembly factory to strengthen assembly ability for large-size devices.

1987

Introduced AMS-08 automatic molding machine line in casting factory. Integrated iron casting factories (Sumiyoshi).

1989

Separated the engineering department.

1990

Started 1st commissioned manufacturing of Hydrostar motor of Kayaba Industry Co., Ltd. (Currently known as KYB Co., Ltd.)

1994

Started 2nd commissioned production of Hydrostar motor of Kayaba Industry Co., Ltd.

1996

Started 3rd commissioned production of Hydrostar motor of Kayaba Industry Co., Ltd. (own procurement) on November.

1999

Started commissioned manufacturing of large-scale vane motor of Tokimec, Inc. (Currently known as Tokyo Keiki Inc.) (Assembly/Inspection)

2001

Started whole commissioned sales/engineering development of Hydrostar motor of Kayaba Industry Co., Ltd. on October.
Started commissioned assembly inspection of axial piston pumps/motors of Kayaba Industry Co., Ltd. on November.

2005

Acquired the ISO90001 certificate

2005

MARINTEC CHINA 2005 first presentation

2007

MARINE WEEK KOREA 2007 first presentation

2013

Celebrated the 50th Anniversary of establishment as Joban achinery Co., Ltd on March.

2017

Celebrated the 120th Anniversary of founding of the start of operations on January.
Acquired the ISO14001cetificate on July.