| 1950-10 |
山口鉄工所として小松市土居原町にて創業 |
| 1950-10 |
Founded as Yamaguchi Iron Works in Doiharamachi, Komatsu City. |
| 1957-07 |
共和工業所に改称 |
| 1957-07 |
Renamed Kyowa Kogyosyo. |
| 1959-12 |
資本金５００万円にて有限会社創立 |
| 1959-12 |
Established a limited company with a capital of 5 million yen. |
| 1961-12 |
株式会社に改組、従業員株主制度を導入 |
| 1961-12 |
Reorganized as KYOWAKOGYOSYO CO.,LTD. and the employee shareholding system was introduced. |
| 1962-11 |
ボルト一貫工場完成 |
| 1962-11 |
Completed a plant for integrated bolt production. |
| 1963-01 |
中小企業合理化モデル工場に指定 |
| 1963-01 |
Designated as a rationalization model plant for small- and medium-sized enterprises (SME). |
| 1965-06 |
板金部門を廃し、ねじ専門製造業へ移行 |
| 1965-06 |
Abolished the sheet metal processing section and focused the business range on screw manufacturing. |
| 1966-02 |
ボルト専門工場に |
| 1966-02 |
Focused on bolt manufacturing. |
| 1968-12 |
本社・工場を現在地に移転 |
| 1968-12 |
Moved the head office and plant to the present site. |
| 1969-03 |
JIS B 1176 六角穴付ボルトの認定を取得 |
| 1969-03 |
Registered as a JIS qualified plant. |
| 1971-11 |
大型設備ボルトフォーマー 一号機導入 |
| 1971-11 |
Introduced large-scale bolt former No. 1. |
| 1972-07 |
(株)小松製作所のトラックシューボルトの大量受注 |
| 1972-07 |
Received large orders for track shoe bolts from Komatsu Ltd. |
| 1975-03 |
冷間鍛造製法による皿根角ボルトを開発し、大幅な合理化 |
| 1975-03 |
Developed flat-head square neck bolts by means of cold forging and succeeded in remarkable rationalization of production process. |
| 1976-12 |
ＴＱＣ（全社的品質管理）導入 |
| 1976-12 |
Introduced TQC (Total Quality Control). |
| 1978-02 |
(株)小松製作所「小松品質管理賞」を受賞 |
| 1978-02 |
Awarded “Komatsu Quality Control Prize” by Komatsu Ltd. |
| 1980-10 |
デミング賞実施賞中小企業賞を受賞 |
| 1980-10 |
Awarded the Deming Application Prize for Small Companies. |
| 1981-03 |
第２工場完成 |
| 1981-03 |
Completed Plant No. 2. |
| 1984-03 |
中小企業合理化モデル工場として通産大臣賞を受賞 |
| 1984-03 |
Awarded the Minister of International Trade and Industry Prize as an SME rationalized model plant. |
| 1988-10 |
第３工場完成 |
| 1988-10 |
Completed Plant No. 3. |
| 1989-11 |
ゆとり創造特別賞（石川労働基準局長賞）を受賞 |
| 1989-11 |
Awarded the Pressure-free and Creativity Special Prize (Director-general Prize of the Ishikawa Prefecture Labor Standards Management Bureau). |
| 1990-02 |
社員持株会を発足 |
| 1990-02 |
Established a society of employee shareholders. |
| 1991-08 |
国内最大クラスの大型パーツフォーマー設置 |
| 1991-08 |
Installed Japan’s largest parts former. |
| 1992-01 |
中小企業研究センター賞受賞 |
| 1992-01 |
Awarded MSE Institute Prize. |
| 1993-08 |
本社事務所新築及び第４工場完成 |
| 1993-08 |
Completed the head office and Plant No. 4. |
| 1996-03 |
日本証券業協会に株式を店頭登録 |
| 1996-03 |
Registered over-the-counter traded securities with Japan Securities Dealers Association. |
| 1997-02 |
全社的生産保全（ＴＰＭ）を導入、ＴＰＭ推進本部設置 |
| 1997-02 |
Introduced total production management (TPM) system and established TPM headquarters. |
| 1998-03 |
米国ＮＶＬＡＰ試験所（ＦＱＡ対応）の認定取得 |
| 1998-03 |
Received NVLAP (National Voluntary Laboratory Accreditation Program) by the USA National Institute of Standards and Technology (for federal quality assurance). |
| 1999-11 |
ISO９００１認証取得 |
| 1999-11 |
Received ISO 9001 certification. |
| 1999-11 |
ＩＳＯ９００１認証取得 |
| 2001-10 |
ＴＰＭ優秀賞（第２類）を受賞 |
| 2001-10 |
Awarded TPM Excellence Prize (Category 2). |
| 2002-10 |
ISO１４００１認証取得 |
| 2002-10 |
Received ISO 14001 certification. |
| 2002-10 |
ＩＳＯ１４００１認証取得 |
| 2003-11 |
自動車部品用第５工場完成、６３０tプレス導入 |
| 2003-11 |
Completed Plant No. 5 for vehicle parts and introduced a 630-ton press. |
| 2004-08 |
西南工場完成、熱間鍛造部門を移転 |
| 2004-08 |
Completed the Seinan plant, to which the hot-forging section was moved. |
| 2004-12 |
ジャスダック証券取引所に上場 |
| 2004-12 |
Listed on the JASDAQ Securities Exchange. |
| 2007-12 |
第６工場完成 自動車関連部品切削加工部門を移転 |
| 2007-12 |
Completed Plant No. 6, to which the vehicle-related parts machining section was moved. |
| 2008-10 |
第７工場完成 太径冷間鍛造部門集約 |
| 2008-10 |
Completed Plant No. 7, and consolidated the large-diameter cold forging section there. |
| 2009-02 |
第８工場完成 細径冷間鍛造部門集約 |
| 2009-02 |
Completed Plant No. 8, and consolidated the small-diameter cold forging section there. |
| 2010-04 |
大阪証券取引所ＪＡＳＤＡＱ市場に上場 |
| 2010-04 |
Listed on the Osaka Securities Exchange JASDAQ market. |
| 2010-10 |
共和機械（山東）有限公司設立 |
| 2010-10 |
Established Kyowa Machinery (Shandong) Co., Ltd. in China. |
| 2012-04 |
共和機械（山東）有限公司建屋完成 本格稼働開始 |
| 2012-04 |
Completed the plant of Kyowa Machinery (Shandong) Co., Ltd. and started full operation. |
| 2013-07 |
東京証券取引所JASDAQ市場に上場 |
| 2013-07 |
Listed on the Tokyo Securities Exchange JASDAQ market. |
| 2013-10 |
本社工場隣接地3千坪取得 |
| 2013-10 |
Purchased 99 acres of land adjoining the main plant. |
| 2013-12 |
浸炭炉導入 |
| 2013-12 |
Introduced a carburizing furnace. |
| 2015-08 |
第9工場完成 西南工場熱間鍛造部門移転 |
| 2015-08 |
Completed Plant No. 9, to which the Seinan plant hot-forging section was moved. |
| 2017-05 |
JIS B 1180 六角ボルトの認定を取得 |
| 2017-05 |
JIS B 1180 hexagon head bolt certification obtained. |
| 2021-08 |
株式会社共和ワークスタイル設立 |
| 2021-08 |
KYOWA WORK STYLE CO., LTD. is established. |
