| 1915年 |
1915年(大正4年)に古河合名会社が中心になった東京電化工業所を設立し、電解法による苛性ソーダを製造したのが始まりです。 |
| 1917年 |
1917年(大正6年)に株式会社組織に改め、社名を旭電化工業株式会社としてスタートしました。 |
| 1917年 |
Adeka was established to produce chlorine and caustic soda by salt electrolysis. |
| 1918年 |
Completion of Ogu Plant, Tokyo. Commenced operations. |
| 1919年 |
1919年(大正8年)に水素利用による硬化油の製造を開始して、ソーダと油脂の二本柱による化学工業への展開を確立するに至りました。 |
| 1919年 |
Started the production of hydrogenated oil. |
| 1928年 |
Separated an agrochemical manufacturing department and established NIHON NOHYAKU CO., LTD. |
| 1929年 |
Started the manufacture of RISU BRAND Margarine. |
| 1938年 |
Established KANTO DENKA KOGYO CO., LTD. |
| 1947年 |
Established YOKO SANGYO CO., LTD. for the purpose of selling our products. (the trade name was changed to ADEKA CHEMICAL SUPPLY CORP. in 2006) |
| 1949年 |
Listed its stock on the first section of the Tokyo Stock Exchange. |
| 1959年 |
Established TOKAI ELECTRO CHEMICAL CO., LTD. for the purpose of manufacturing and selling hydrogen peroxide products. |
| 1960年 |
Established Kyokuyu Sangyo Co., Ltd. |
| 1961年 |
Established KYOKUYU REAL ESTATE CO., LTD. (the trade name was changed to ADEKA LIFE-CREATE CORP. in 2006) |
| 1962年 |
Established ADEKA ARGUS INDUSTRY CO., LTD. for the purpose of manufacturing and selling plasticizers and stabilizers for plastics. (the trade name was changed to ADEKA ARGUS CHEMICAL CO., LTD. in 1963) |
| 1965年 |
Established ADEKA SWIFT CHEMICAL CO., LTD. as a joint venture with Swift of the US. |
| 1966年 |
Akashi Plant in Hyogo completed. |
| 1968年 |
Advanced into KASHIMA INDUSTRIAL COMPLEX. Participated in the establishment of KASHIMA CHLORINE & ALKALI CO., LTD. |
| 1968年 |
Advanced into KASHIMA INDUSTRIAL COMPLEX. Participated in the establishment of KASHIMA PVC MONOMER CO., LTD. |
| 1968年 |
Advanced into KASHIMA INDUSTRIAL COMPLEX. Participated in the establishment of KASHIMA SOUTH JOINT POWER CORP. |
| 1968年 |
Advanced into KASHIMA INDUSTRIAL COMPLEX. Participated in the establishment of KASHIMA CHEMICAL CO., LTD. |
| 1969年 |
Participated in the establishment of KANTO SODIUM SILICATE GLASS CO., LTD. |
| 1969年 |
Participated in the establishment of KASHIMA COMMON FACILITIES Co., Ltd. |
| 1970年 |
Completed Kashima Plant, Ibaraki. |
| 1973年 |
Established ADEKA CLEAN AID CORP. for the purpose of selling industrial detergent. |
| 1975年 |
Completed AS Kasei CO., LTD. Sodegaura Plant, Chiba. (Now,known as Chiba Plant) |
| 1977年 |
Established ACR CO., LTD. |
| 1977年 |
Established TOKYO ENVIRONMENTAL MEASUREMENT CENTER CO., LTD. |
| 1978年 |
Established CO-OP CLEAN CO., LTD. |
| 1979年 |
Kuki Plant completed. (closed in 1996) |
| 1985年 |
Participated in the establishment of MIZUSHIMA PLASTICIZER CO., LTD. for the purpose of manufacturing special plasticizer. |
| 1988年 |
Established ASAHI DENKA(SINGAPORE)PTE.LTD. in Singapore. (now changed company name to ADEKA(SINGAPORE)PTE.LTD.) |
| 1989年 |
Established CHANG CHIANG CHEMICAL CO., LTD. in Taiwan for the purpose of manufacturing and selling plastic additives. |
| 1990年 |
Acquired capital in NIHON EPOXY RESIN CO., LTD. for the purpose of manufacturing epoxy resin. |
| 1991年 |
Established HAN-NONG ADEKA Co.,Ltd. in Korea (in 1997, the name was changed to DONGBU ADEKA Co.,Ltd.) as an overseas base for manufacturing plastic additives. |
| 1994年 |
Established AMFINE CHEMICALS CORP. in the US. |
| 1995年 |
Completed Soma Plant (the first period) and started operation. |
| 1996年 |
Took over the operations of epoxy business of ACR CO., LTD. |
| 1998年 |
Established an European office in Germany. (incorporated as an overseas affiliated company in 1999) |
| 1999年 |
Completed the new building of R&D Laboratory. (Ogu District) |
| 2000年 |
Established ASAHI DENKA KOREA CORP. in South Korea. (now changed company name to ADEKA KOREA CORP.) |
| 2001年 |
Acquired YONGO Co.,ltd. from JAPAN TOBACCO INC. and reorganized it as a subsidiary. |
| 2002年 |
Established KUKDO CHEMICAL (KUNSHAN) CO., LTD. in China jointly with a Korean company KUKDO CHEMICAL CO., LTD. |
| 2003年 |
The subsidiary DONGBU ADEKA CORP. changed its trade name to ADEKA FINE CHEMICAL KOREA CORP. |
| 2004年 |
Established CHANG CHIANG CHEMICAL (SHANGHAI) CO., LTD. in China. |
| 2005年 |
Completed the Tainan Plant of ADEKA FINE CHEMICAL TAIWAN CORP. |
| 2006年 |
マヨネーズ、ドレッシング類の製造を目的にアサヒ・ファインフーズ(株)を設立(2006年 ADEKAファインフーズ(株)に商号変更) |
| 2006年 |
ドイツにASAHI DENKA Europe GmbHを設立(2006年 ADEKA Europe GmbHに商号変更) |
| 2006年 |
アデカ物流(株)設立(2006年 ADEKA物流(株)に商号変更) |
| 2006年 |
食品加工油脂、製菓・製パンその他食品原材料の販売を目的として、旭食品販売(株)を設立(2006年 ADEKA食品販売(株)に商号変更) |
| 2006年 |
中国に阿洒旭電化(上海)有限公司を設立(2006年 艾迪科(上海)貿易有限公司に商号変更) |
| 2006年 |
中国に阿洒旭精細化工(上海)有限公司を設立(2006年 艾迪科精細化工(上海)有限公司に商号変更) |
| 2006年 |
シンガポールにASAHI DENKA(ASIA)PTE.LTD.を設立(2006年 ADEKA(ASIA)PTE.LTD.に商号変更) |
| 2006年 |
米国にASAHI DENKA USA, INC.を設立(2006年 ADEKA USA CORP.に商号変更) |
| 2006年 |
中国に阿洒旭食品(常熟)有限公司を設立(2006年 艾迪科食品(常熟)有限公司に商号変更) |
| 2006年 |
Changed company name from ASAHI DENKA CO., LTD. to ADEKA CORP.. Moved headquarters to a new building in Higashi-ogu, Arakawa-ku, Tokyo from Nihonbashi, Chuo-ku. |
| 2007年 |
ADEKA INDIA PVT. LTD. established in India. |
| 2008年 |
ADEKA FINE CHEMICAL KOREA CORP. merged with ADEKA KOREA CORP. under the name of ADEKA KOREA CORP. |
| 2010年 |
ADEKA KOREA CORP. established R&D center in Korea. |
| 2011年 |
ADEKA and Al GHURAIR PETROCHEMICALS LLC established ADEKA Al GHURAIR ADDITIVES LLC, a joint venture company in UAE. |
| 2012年 |
AMFINE CHEMICAL CORP. in the USA established AM STABILIZERS CORP. for the purpose of manufacturing and selling vinyl chloride stabilizer in the USA. |
| 2013年 |
Completed new building of Urawa R&D Laboratory. |
| 2014年 |
ADEKA FOODS (ASIA) SDN. BHD. acquired Halal certification from government agency of Malaysia. |
| 2015年 |
ADEKA FOODS (ASIA) SDN. BHD. acquired HACCP certification from Ministry of Health of Malaysia. |
| 2016年 |
The structure of ADEKA (SHANGHAI) CO., LTD. was transformed into an investment corporation and renamed as ADEKA (CHINA) CO., LTD.. |
| 2016年 |
Acquired shares of CROWN CO., LTD. and reorganized it as a subsidiary. |
| 2016年 |
Established a representative office in Ho Chi Minh City, Vietnam for the purpose of market surveys for chemical and food products. |
| 2016年 |
Acquired shares of SHOWA KOSAN CO., LTD. and reorganized it as an equity method affiliate. |
| 2016年 |
Formulated "Action Plan to Promote Success of Women in the Workplace." |
| 2017年 |
ADEKA (CHINA) CO., LTD. established ADEKA FINE CHEMICAL (Zhejiang) Co., LTD. in China for the purpose of manufacturing and selling chemical products such as polymer additives. |
| 2018年 |
NIHON NOHYAKU CO., LTD. became a consolidated subsidiary. |
| 2019年 |
Mohammed Al Otaiba Group acquires shares of ADEKA AL GHURAIR ADDITIVES LLC and changes its name to ADEKA AL OTAIBA MIDDLE EAST LLC. |
| 2022年 |
Dissolved the joint venture, KANTO SODIUM SILICATE GLASS CO., LTD. |
| 2023年 |
Acquired shares of Incubation Alliance, Inc. |
| 2023年 |
Made YONGO CO.,LTD. wholly owned subsidiary through simplified share exchange. |
| 2024年 |
Merger conducted with ADEKA FOODS SALES CORPORATION being the surviving company and CROWN CO.,LTD. and YONGO CO.,LTD. being the merged companies |
| 2025年 |
Transfer of ADEKA FINE CHEMICAL (SHANGHAI) CO., LTD.'s shareholding. |
| 2025年 |
Transfer all shares of UEHARA FOOD INDUSTRY CO.,LTD. |