| 1938-10 |
東京市芝区に東京ラヂエーター製造株式会社設立 |
| 1938-10 |
Tokyo Radiator Mfg. Co., Ltd established in Shiba-ku,Tokyo. : The Shinagawa plant at the time of the Establishment |
| 1941-10 |
川崎工場完成 |
| 1941-10 |
Kawasaki plant completed. : The Kawasaki plant at the time of 1941 |
| 1957-07 |
燃料タンク生産開始 |
| 1957-07 |
Fuel tank production begins. |
| 1961-10 |
東京証券取引所市場第２部に上場 |
| 1961-10 |
Listed on Tokyo Stock Exchange, Second Section. |
| 1963-06 |
日本初のトラック用コルゲートタイプラジエーターを生産開始 |
| 1963-06 |
Production of Japan’s first corrugated-type radiator for trucks begins. |
| 1964-05 |
「トーキョーサブタンク」発売 |
| 1964-05 |
Tokyo subtank goes on sale. : Tokyo subtank(150l) : Tokyo subtank(300l) |
| 1964-11 |
資本金を5億4000万円に増資 |
| 1964-11 |
Capital increased to 540 million yen. |
| 1965-01 |
藤沢工場完成 |
| 1965-01 |
Fujisawa plant completed. : Fujisawa plant panoramic view (1965) |
| 1969-11 |
タイラジエーター製造㈱(タイ)への技術援助に関する契約締結 |
| 1969-11 |
Contract signed to provide technical support to Thai Radiator Mfg. Co., Ltd (Thailand). |
| 1973-01 |
鹿沼工場完成 |
| 1973-01 |
Kanuma plant completed. : Kanuma plant completed |
| 1979-04 |
C.V.オートディーゼルラジエーター社(インドネシア)への技術援助に関する契約締結 |
| 1979-04 |
Contract signed to provide technical support to C.V.Auto Diesel Radiators of Indonesia. (now P.T.Selamat Sempurna tbk.) |
| 1980-08 |
世界初のシンフィン1列ラジエーター量産開始 |
| 1980-08 |
Mass production of world’s first thin-fin single-line radiators begins. : Thin-fin single-line radiators |
| 1980-11 |
アルミ製熱交換器量産開始 |
| 1980-11 |
Mass production of aluminum heat exchangers begins. |
| 1983-04 |
藤沢工場に600トンタンデムプレスライン導入 |
| 1983-04 |
Introduction of 600-ton tandem press line at Fujisawa plant. |
| 1986-06 |
東神物流株式会社(現㈱トーシンテクノ)設立 |
| 1986-06 |
Toshin Distribution Co., Ltd. (now Toshin Tecno Co., Ltd.) established. |
| 1989-05 |
川崎工場生産終了し藤沢工場へ集約 |
| 1989-05 |
Kawasaki plant production ended, merged with Fujisawa plant. : New office (second floor) : and a plant building : Large radiator equipment |
| 1990-03 |
HLフィンオイルクーラ量産開始 |
| 1990-03 |
NHFフィンカーヒーターコア量産開始 |
| 1990-03 |
Mass production of HL fin oil coolers begins. |
| 1990-03 |
Mass production of NHF fin car heater cores begins. |
| 1991-11 |
マスターラジエーター社(マレーシア)への技術援助に関する契約締結 |
| 1991-11 |
Contract signed to provide technical support to Master Radiator sdn. bhd.(Malaysia) |
| 1991-12 |
業務ビル「トークピア川崎」竣工、不動産賃貸事業開始 |
| 1991-12 |
Office building Talk pier Kawasaki completed, real estate leasing business begins. |
| 1993-04 |
NHFフィンラジエーター量産開始 |
| 1993-04 |
Mass production of NHF fin radiators begins. |
| 1993-08 |
スタックドタイプH/Lフィン量産開始 |
| 1993-08 |
Mass production of stacked-type H/L fins begins. |
| 1994-08 |
アルミラジエーター量産開始 |
| 1994-08 |
㈱トークピアサービス設立 |
| 1994-08 |
Mass production of aluminum radiators begins. |
| 1994-08 |
Talk Pia Service Co. Ltd. established. |
| 1994-11 |
アセロコブレ社(チリ)への技術援助の関する契約締結 |
| 1994-11 |
Contract signed to provide technical support to Acero Cobre Industrial Ltda.(Chile) |
| 1994-12 |
カルソニック㈱（現マレリ㈱）からの技術援助に関する契約締結 |
| 1994-12 |
Contract signed to receive technical support form Calsonic Corp.(now CalsonicKansei Corp.) |
| 1996-11 |
二次元ランダム振動試験装置導入 |
| 1996-11 |
Two-dimensional random vibration test facilities introduced. |
| 1996-12 |
瑞利企業股分有限公司(台湾)への技術援助に関する契約締結 |
| 1996-12 |
Contract signed to provide technical support to Lui Li Enterprise Co., Ltd.(Taiwan) |
| 1997-03 |
筆頭株主がいすゞ自動車㈱からカルソニック㈱(現マレリ㈱)へ異動 |
| 1997-03 |
Calsonic Corp. (now CalsonicKansei Corp.) replaces Isuzu Motors Ltd. as principal shareholder. |
| 1997-06 |
ISO9001認証取得 |
| 1997-06 |
ISO9001:Certification acquired. |
| 1997-07 |
ISO9001:1994 認証取得 |
| 1997-07 |
ISO9001:1994 Certification acquired. |
| 1997-12 |
アルミ燃料タンク量産開始 |
| 1997-12 |
Mass production of aluminum fuel tanks begins. |
| 1999-06 |
重慶東京散熱器有限公司(中国)設立 |
| 1999-06 |
Chongqing Tokyo Radiator Co., LTD., established. |
| 1999-08 |
チューブタイプＥＧＲクーラ量産開始 |
| 1999-08 |
Mass production of EGR coolers for Tube types begins. |
| 1999-09 |
鹿沼工場を閉鎖し藤沢工場へ集約 |
| 1999-09 |
Kanuma plant closed, merged with Fujisawa plant. |
| 2000-03 |
エンジンベンチ導入 |
| 2000-03 |
Engine bench introduced. |
| 2000-07 |
本社を藤沢市に移転 |
| 2000-07 |
Headquarters moved to Fujisawa. |
| 2003-03 |
ISO14001:2004 認証取得 |
| 2003-03 |
ISO14001:2004 Certification acquired. |
| 2003-12 |
QS9000:1998 認証取得 |
| 2003-12 |
QS9000:1998 Certification acquired. |
| 2004-03 |
無錫塔尓基熱交換器科技有限公司(中国)設立 |
| 2004-03 |
Wuxi TRS Heat Exchanger Co., Ltd., established. |
| 2004-04 |
㈱トークピアサービスを吸収合併 |
| 2004-04 |
TRS merged Talk Pier Service Co., Ltd. |
| 2004-05 |
第三者割当による新株発行（引受先カルソニックカンセイ㈱（現マレリ㈱））を行い資本金を13億1760万円に増資 |
| 2004-05 |
By issue of new shares by the third-party allotment which makes CalsonicKansei Corp. an undertaking place, the capital was increased to 1,317.6 million yen. |
| 2004-10 |
ステンレス製SCRタンク量産開始 |
| 2004-10 |
Mass production of SCR tanks begins. |
| 2005-09 |
産建機用クーリングモジュール量産開始 |
| 2005-09 |
Mass production of Cooling Module for Construction Machinery begins. |
| 2006-01 |
本社・開発棟完成 |
| 2006-01 |
Headquarters/Development building completed. |
| 2006-06 |
インナーフィンタイプＥＧＲクーラ量産開始 |
| 2006-06 |
Mass production of EGR coolers for light duty diesel engines begins. |
| 2006-08 |
ISO9001:2000 認証取得、ISO/TS16949:2002 認証取得 |
| 2006-08 |
ISO/TS16949:2002 Certification acquired. ISO9001:2000 Certification acquired. |
| 2007-03 |
業務ビル「トークピア川崎」土地・建物を売却し、製造事業に特化 |
| 2007-03 |
Sold the ”Talk pier Kawasaki” facilities and specialized in manufacturing operations. |
| 2009-08 |
ISO/TS16949:2009 認証取得、ISO9001:2008 認証取得 |
| 2009-08 |
ISO/TS16949:2009 Certification acquired. ISO9001:2008 Certification acquired. |
| 2010-01 |
樹脂製SCRタンク量産開始 |
| 2010-01 |
Mass production of resin SCR tanks begins. |
| 2012-04 |
PT.TOKYO RADIATOR SELAMAT SEMPURUNA(インドネシア)設立 |
| 2012-04 |
PT. Tokyo Radiator SELAMAT SEMPURNA, established. (Indonesia) |
| 2013-05 |
ガソリンエンジン用EGRクーラー中国、無錫塔尓基熱交換器科技有限公司にて量産開始 |
| 2013-05 |
Mass production of EGR coolers for gasoline engines begins. |
| 2013-06 |
TR Asia CO.,LTD.(タイ)設立 |
| 2013-06 |
TR Asia CO., LTD. established. (Thailand) |
| 2013-08 |
小型ディーゼルエンジン用ＥＧＲクーラー量産開始 |
| 2013-08 |
Mass production of EGR coolers for small diesel engine types begins. |
| 2016-05 |
ガソリンエンジン用EGRクーラー藤沢工場にて量産開始 |
| 2016-05 |
Mass production of EGR cooler for gasoline engine at Fujisawa plant. |
| 2018-01 |
ISO14001:2015 認証取得 |
| 2018-01 |
ISO14001:2015 Certification acquired. |
| 2018-08 |
IATF16949:2016 認証取得、ISO9001:2015 認証取得 |
| 2018-08 |
IATF16949:2016 Certification acquired. ISO9001:2015 Certification acquired. |
| 2018-10 |
80th anniversary of company establishment. |
| 2019-04 |
銅ラジエーター生産終了 |
| 2019-04 |
Production of copper radiator ended. |
| 2020-02 |
大型建機用PCSラジエーター量産開始 |
| 2020-02 |
Mass production of PCS radiators for large construction machinery begins. |
| 2022-05 |
燃料電池トラック[FCEV]用ラジエーターを重慶東京散熱器有限公司にて量産開始 |
| 2022-05 |
Mass production of radiator for Fuel Cell Trucks[FCEV] begins at Chongqing Tokyo Radiator Co., LTD. |
| 2022-10 |
ディーゼルエンジン用ステンレス製水冷オイルクーラー量産開始 |
| 2022-10 |
Mass production of water cooled oil cooler made of stainless steel for diesel engine begins. |
| 2023-04 |
トラック用新型ラジエーター量産開始（ : 詳細はこちらから : ） |
| 2023-04 |
New type radiator for commercial vehicle begins. |
| 2023-09 |
電動トラック[BEV]用ラジエーター量産開始（ : 詳細はこちらから : ） |
| 2023-09 |
Mass production of radiators for electric trucks[BEV] begins. |
| 2026-06-03 |
Notice Concerning New Orders |
| 2026-06-12 |
Consolidated Financial Results for the Three Months Ended June 30, 2026 (Under Japanese GAAP) |
| 2026-07-09 |
Financial Results for the First Quarter of the Fiscal Year Ending March 31, 2027 to Be Announced on August 7, 2026, at 4:00 p.m. (JST) |
| 2026-08-07 |
Supplementary Materials : First-Quarter Financial Results for Fiscal Year2026, Ending March 31, 2027 |
