| 1941 |
Founded as a sole proprietorship by Kenichi Komatsu. Began with the manufacture of springs, flat springs and wire springs. |
| 1941-05-23 |
小松謙一が個人企業として創業。主としてゼンマイ・板ばね・線ばねの製作を始める |
| 1943 |
Became a military designated factory. Factory relocated to the outskirts of Sendai city. |
| 1943 |
軍用指定工場となる。その後、仙台市外に工場を移転 |
| 1951 |
Returned from factory evacuation and began with the production of wire springs. |
| 1951 |
工場疎開より復帰、線ばねを主として生産開始 |
| 1952 |
Incorporated as Komatsu Seisakusho Co., Ltd. as a result of increased production and sales and saw a remarkable rise in the ratio of production of precision springs for camera shutters. |
| 1952-12-27 |
生産・販売の増加により法人化して、商号有限会社小松製作所として発足。カメラシャッタ用精密ばねの生産の比率が著しく増加 |
| 1958 |
Began production of clock-related precision springs. |
| 1958 |
時計関係の精密ばねの生産に着手 |
| 1960 |
Entered the automobile parts and electric appliance industries and began sales to related manufacturers. |
| 1960 |
自動車部品・電気機器等の業界の分野に進出し、関係メーカ各社に販売を開始 |
| 1962 |
Converted to a joint-stock company (Capital: 4 million Yen) and changed trade name to Komatsu Spring Industrial Co., Ltd. Sales division was separated and established as "New Komatsu Spring Industrial Co., Ltd." as an independent sales company to expand sales channels. |
| 1962 |
株式会社に改組と同時に商号を変更（資本金400万円）。新商号小松ばね工業株式会社。販路拡大に伴い別に販売会社として「新小松ばね工業株式社」を設立し営業部門を独立 |
| 1963 |
Second factory built in Tokyo to expand production capacity in response to increased demand. |
| 1963 |
生産設備増強と需要の増加により、東京第二工場を新設 |
| 1966 |
Acquired "New Komatsu Spring Industrial Co., Ltd." to streamline management. |
| 1966 |
販売会社新小松ばね工業株式会社を吸収合併 |
| 1969 |
Commended by the Minister of International Trade and Industry for making notable contribution as an exporting company. |
| 1969 |
輸出貢献企業として通産大臣より表彰される |
| 1973 |
Headquarter building rebuilt. |
| 1973 |
本社ビル改築 |
| 1975 |
Capital partnership with Tokyo Small and Medium Business Investment & Consultation Co., Ltd. |
| 1975 |
東京中小企業投資育成株式会社と資本提携 |
| 1976 |
Funaoka factory in Shibata-cho, Miyagi built. |
| 1976 |
宮城県柴田町に船岡工場新設 |
| 1979 |
Convertible bonds converted to stock and added to capital, raising paid-in capital amount to 131,800,000 yen. |
| 1979 |
転換社債を株式に転換し資本金に繰入れ、払込資本金13,180万円となる |
| 1981 |
Third factory built in Tokyo. |
| 1981 |
東京第三工場を新設 |
| 1984 |
Setsuko Komatsu appointed as Representative Director. |
| 1984 |
小松節子代表取締役就任 |
| 1986 |
Funaoka factory renovated. |
| 1986 |
船岡工場改築 |
| 1989 |
Akita Ota-machi factory built in Senpoku county (Daisen City), Akita prefecture. |
| 1989 |
秋田県仙北郡（現：大仙市）太田町に秋田太田町工場新設 |
| 1992 |
Akita Ota-machi second factory built. |
| 1992 |
秋田太田町第二工場を新設 |
| 1997 |
Opening of PT.KOMATSU BANE INDONESIA in Indonesia, beginning production overseas. |
| 1997 |
インドネシアにPT.KOMATSU BANE INDONESIAを開設し海外生産開始 |
| 2002 |
Acquired ISO9001: 2000 authentication. NoJQA – QM7736. |
| 2002 |
ISO9001:2000認証取得（NoJQA−QM7736） |
| 2006 |
Won prize at the "1st Competition of the Top 300 Small/Medium Sized Companies Producing Active Products" (Selected by the Small and Medium Enterprise Agency, METI). |
| 2006 |
「第一回 元気なモノ作り中小企業300社」入選（経済産業省 中小企業庁 選定） |
| 2007-01 |
Acquired : Eco-Action 21 : Certification (No.1270 by the Ministry of the Environment). |
| 2007-01 |
エコアクション２１認証取得（No.1270、環境省策定） |
| 2007-04 |
Awarded honor of “Corporate Tax Return Excellence” from the Omori tax office. |
| 2007-04 |
大森税務署より「優良申告法人」表敬を受ける |
| 2007-06 |
Capital at 100 million yen. |
| 2007-06 |
資本金減資（1億円） |
| 2007-07 |
Visitation by the Emperor (Headquarter factory). |
| 2007-07-11 |
天皇陛下ご視察（本社工場） |
| 2007-09 |
Construction and relocation of new factory within the Ogawara factory due to aging of Funaoka factory. |
| 2007-09 |
船岡工場老朽化により、大河原工場に移転、工場新設 |
| 2011 |
Certified as “Excellent factory (All-Round Achiever award)” by Ota city Tokyo. |
| 2011 |
平成23年度大田区「優工場」認定「総合部門賞」 |
| 2013-05 |
Awarded honor of “Corporate Tax Return Excellence” from the Omori tax office. |
| 2013-05 |
大森税務署より「優良申告法人」表敬を受ける |
| 2014-02 |
PT.KOMATSU BANE INDONESIA moved |
| 2014-02 |
子会社PT.KOMATSUBANE INDONESIA移転 |
| 2014-03 |
小松万希子代表取締役就任 |
| 2017-01 |
Setsuko Komatsu (Chairman) has been published in “The 34th Excellent Management Awards Female Management Division Award” of Nikkan Kogyo Shimbun sponsored. |
| 2017-01 |
小松節子（会長）「第34回優秀経営者顕彰 女性経営者賞」受賞 |
| 2017-04 |
小松節子（会長）が中小企業振興功労として「旭日単光章」叙勲 |
| 2017-07 |
地域未来索引企業（経済産業省）に選定される |
| 2018-04 |
Awarded honor of “Corporate Tax Return Excellence” from the Omori tax office. |
| 2018-04 |
大森税務署より「優良申告法人」表敬を受ける |
| 2023-05 |
Awarded honor of “Corporate Tax Return Excellence” from the Omori tax office. |
| 2023-05 |
大森税務署より「優良申告法人」表敬を受ける |
