|1886||Founded in Hakata Nishimachi as an attached factory
of ‘Watanabe Tokichi Honten’, moved to Chiyo.
Manufactured such as pumps.
|1904||Started to manufacture the army service car.|
|1916||Reorganized into a limited partnership.|
|1919||Reorganized into a joint-stock company, started manufacturing the parts of torpedo.|
|1921||Designated a plant of the Navy and started to manufacture torpedo tubes.|
|1923||Produced a prototype of aircraft wheels (for military).|
|1930||Relocated to Zasshonokuma, established a new aircraft manufacturing plant.|
|1931||Unit one prototype (elementary training aircraft) completed, started to manufacture.|
|1932||Started production of torpedo.|
|1934||Completed “Aichi E10A”, started to manufacture.|
|1935||Became a professional factory of weapons.|
|1937||Tachiarai factory was spun off to manufacture the machine army.|
|1940||Started to manufacture “Aichi E10A”.|
|1941||Completed “K9W1”, started to manufacture.
Completed “K11W”, started to manufacture.
|1943||Separated and renamed ‘Kyushu weapons corporation’ and ‘Kyushu airplane corporation’.|
|1944||Completed “Q1W”, started to manufacture.|
|1945||Completed “J7W1”(named Shinden) , started to manufacture.
Renamed to ‘Kyushu Ironworks Corporation’ at the end of the war
|1949||Improvement Act by corporate restructuring, ‘Watanabe Ironworks
Corporation’ was established.
Started production of coal mine ambulance car for people.
|1950||Started to manufacture the parts of the machine of ‘Yahata Steel
Produced a high-speed newspaper presses for ‘Nishinippon Shimbun Corporation’.
|1955||Started production of torpedo tubes of ‘the Defense Agency’|
|1959||Started to manufacture plants for processing steel sheet.|
|1962||Started to manufacture Slitting Line.|
|1963||Start the service of general-purpose machines made by ‘Ishikawajima Harima Heavy Industries’|
|1964||Started to manufacture Shearing Line.|
|1967||Started to manufacture automotive wheel manufacturing plant.|
|1985||Renamed to “Watanabe Engineering Corporation”.|
|1993||The factory of finish had remodeled.|
|2006||Selected as " one of the three hundred small and medium enterprises which will carry the future of Japanese society” by the Ministry of Economy, Trade and Industry.|