Kikusaburo Ishikawa established 'Ishikawa Tekko Factory' in Hachiman-chi, Hamamatsu-shi, and began the manufacture of bolts and nuts in a subcontract factory for Suzumasa Shokki (Currently Enshu Ltd.).
Renamed 'Ishikawa Tekko Factory' to 'Ishikawa Tekkojo', a limited partnership company. Started business transactions with Toyota Industries Corporation.
社名を合資会社「石川鐵工所」とする。 (株)豊田自動織機製作所と取引開始
Started the engine bolts delivery to Toyota Motor Corporation.
トヨタ自動車工業(株)と取引開始、エンジンボルトを納入
'Ishikawa Tekkojo' became a subcontract factory of Nippon Gakki Company Ltd. and started nuts and bolts delivery for musical instruments. Started nuts and bolts delivery for the military aircraft to Nakajima Aircraft Company.
Started propeller parts delivery for the military aircraft, etc., to Japan International Aviation Industries Ltd.
日本国際航空工業(株)に軍用機用のプロペラ部品などの納入を開始
本店所在地を東京都墨田区に移転しました。
本社を東京都墨田区に移転
Destruction of Sunayama factory by Tonankai earthquake.
東海道沖で東南海地震発生、砂山工場が倒壊
Thirty-nine workers became victims of Hamamatsu air raids by US Air force.
米軍による浜松空襲で従業員、学徒動員の高校生ら39名が犠牲に
Received a permission to return to the private sector, and resumed pre-war operations. Received orders from Toyota Motor Corporation for machining of the ball joints for trucks.
Received a certification of superior automobile parts maker from the Ministry of Commerce and Industry with 'No. 157 tie-rod ends.'
商工省より優良自動車部品認定書「第157号タイロッド継手」を受ける
Started the service parts delivery to Toyota Motor Sales Corporation. Started the shackle pins production for trucks.
トヨタ自動車販売(株)に補給部品の納入開始。トラック用のシャックルピンの生産に着手
Started business transactions with Yamaha Motor Company Ltd. and light bike parts delivery to them. Started the steering linkages delivery to Toyota Automobile Industries Co., Ltd. for 'Toyopet Crown' (RS type).
Started business transactions with Fuji Heavy Industries Ltd. and the kingpin delivery for Subaru 360 program.
富士重工業(株)と取引開始、「スバル360」用キングピンを納入
Changed the company's name to Ishikawa Tekkojo KK. Started business transactions with Suzuki Motor Corporation and the ball joints delivery for 'Suzulight' program.