| 1917 | •Asahi Denka Co., Ltd. Founded |
| From 1950 | •Listed on part of the Tokyo Stock Exchange. |
| From 1970 | •Akashi factory starts operations. •Kashima factory starts operations. |
| From 1990 | •AS Kasei Co., Ltd. Sodegaura factory starts operations (The Chiba factory for the same company in 1984). •Merges with Adeka Argus Chemical Co., Ltd. (Mie factory). •Formation of the Pollution Control Measures HQ. |
| From 2000 | •Soma factory starts operations. •Merge with Tokai Denka Kogyo K.K. (Fuji factory) •The Kashima, Chiba, Mie, Fuji and Soma factory, ADEKA clean aid corp. and Oxirane Chemical corp. gain ISO9002 certification. •The Mie factory gains BS880 (Occupational Health and Safety Management System). •Formation of the Environment and Safety Measures HQ. •Foundation of the Japan Responsible Care Council and membership at the same time. •Through the Kashima, Chiba, Mie, Fuji, Akashi, and Soma factory gaining ISO14001 certification, all 6 factory are now certified. •Publication of the first environmental report. •Making of environmental reports starts at the 6 factory. |
| 2001 | •The Mie factory gains OHSAS18001 compliance. •Oxirane Chemical corp. gains ISO14001 certification. |
| 2002 | •The Kashima factory gains HACCP approval of the Food Oils and Fats Inspection Agency. •Formation of the Compliance Promotion Committee. •The Kashima and Soma factory gain OHSAS 18001 compliance. •ADEKA engineering & construction corp. gain ISO9002 certification. •Reports begin based on the PRTR. |
| 2003 | •All factory with ISO9002 certification complete the ISO9001 transfer certification. •Compliance system reinforcement. •Establishment of an action charter. •All 6 domestic factory gain OHSAS18001 compliance. •Making and distribution of compliance action guidelines. •Tokyo Environmental Measurement Center Co., Ltd. gains ISO14001 certification. |
| 2004 | •The ratings of the Rating and Investment Information Center improve from BBB+ to A-. •AMFINE CHEMICAL CORP., ADEKA korea corp. and Kukdo Chemical (Kunshan) Co., Ltd. gain ISO9001 certification. •The Soma factory gained certification in Integrated Management Systems (IMS). •The first "4 Safeties" presentation was held with the plan of elevating awareness raised companywide concerning safety on each of "labor, quality, environment and facility". •Inspection of the RC inspection sensors. (Environmental Report 2003 Edition) Examination |
| 2005 | •Making and distribution of a compliance casebook. •Privacy policy and personal information management regulations are established. •The internal audit office is set up and the internal audit system is strengthened. •Tokyo Environmental Measurement Center Co., Ltd., Uehara foods industry Co., Ltd., ADEKA Fine Chemical (Shanghai) Co., Ltd. and ADEKA Fine Chemical (Changshu) Co., Ltd. gain ISO9001 certification. |
| 2006 | •The company name is changed from Asahi Denka Co., Ltd. to ADEKA corp. and HQ functions are transferred to the HQ building in Higashiogu, Arakawa ward. •The number of shares for 1 unit changed from 1000 ro 100 shares. •Revision of the Action charter, Action guidelines and Compliance regulations. •Internal reporting rules established. •ADEKA Fine Chemical Taiwan corp., ADEKA Fine Chemical (THAILAND) Co., Ltd., Felda Oil Products Sdn. Bhd. and ADEKA (Singpore) Pte. Ltd. gain ISO9001 certification. •ADEKA korea corp. and ADEKA Fine Chemical (Changshu) Co., Ltd. gain ISO14001 certification. |
| 2007 | •Establishment of the Committee for the Promotion of Internal Control. •Establishment of the Independent Committee. •Establishment of an Expert Committee for Promoting CSR. •ADEKA Foods (Changshu) Co., Ltd. gains ISO22000 certification. •ADEKA Fine Chemical Taiwan corp. gains OHSAS18001 certification. •ADEKA Fine Chemical Taiwan corp. and AMFINE Chemical corp. gain ISO14001 certification. |
| 2008 | •OHSAS18001 of 1999 version is updated to OHSAS18001 of 2007 version. •Akashi factory gains ISO22000 certification. •Kashima factory gains Integrated Management System (IMS) certification. |
| 2009 | •Fuji Factory acquired certification for integrated management systems (IMS) •Developed an action plan for new influenza strains. •Established BCMS Committee. •Adeka Foods (Changshu) Co., Ltd. acquired certification under OHSAS 18001. •Adeka Foods (Changshu) Co., Ltd. acquired certification under ISO 14001. |
| 2010 | •Adeka acquires the right to display the Kurumin mark signifying active support of parenting •Soma Factory and Head Office acquire certification under BCM Standard BS 25999-2 for business continuity management system (BCMS) implementation •Adeka Fine Foods Corporation acquires ISO 22000 certification for food safety management systems |
| 2011 | • Adeka Fine Chemical Taiwan Corporation receives ISO 14064-1 inspection for quantification and reporting of greenhouse gas emissions and removals |
