


| 1917 | Asahi Denka Co., Ltd established | |||
| 1949 | Tokyo Stock Exchange first section market listing | |||
| 1966 | Akashi Factory, Hyogo established | Basic Law for Environmental Pollution Control enacted 1968Air Pollution Control Law enacted |
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| 1970 | Kashima Factory, Ibaraki established | |||
| 1971 | A S Kasei Co., Ltd. Sodegaura Factory, Chiba established (1984 Asahi Denka, Chiba Factory) | Pollution Control Center established | Waste Management Law enacted | |
| 1990 | Merger with Adeka Argus Industry Co., Ltd (Mie Factory) | |||
| 1993 | Mie Factory obtained ISO9002 certification | |||
| 1994 | Reorganization of the Pollution Control Center to Environment and Safety Measure Headquarters | |||
| 1995 | Souma Factory, Fukushima established | Japan Responsible Care Conference (JRCC) membership upon its establishment | Product Liability (PL) Law enacted | |
| 1996 | Kashima Factory obtained ISO9002 | Mie Factory obtained ISO14001 certificate | ||
| 1997 | Chiba and Fuji factories and Oxirane Chemical Corporation obtained ISO9002 | Container and Packaging Recycling Law partially enacted | ||
| 1998 | Souma Factory obtained ISO9002 | Kashima Factory obtained ISO14001 | ||
| 1999 | Merger with Tokai Denka Kogyo K.K. (Fuji Factory) | Adeka Clean Aid Co., Ltd. obtained ISO9002 | First edition of the Environmental Report published & Six plants started publishing environmental site reports
Chiba, Fuji and Souma factories obtained ISO14001 |
Law Concerning the Promotion of Measures against Global Warming enacted |
| 2000 | Mie Factory obtained BS8800, Labor Safety & Hygiene Management System | Akashi Factory obtained ISO14001 & All six factories completed to obtain ISO14001 | Container and Packaging Recycling Law fully enacted Law Concerning Special Measures against Dioxins enacted Basic Law for Establishing the Recycling-based Society enacted |
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| 2001 | Mie Factory obtained OHSAS18001 compliance certification | Establishment of "Ministry of the Environment" due to reorganization of Japanese ministries PRTR Law partially enacted Law Promoting Green Purchasing enacted Food Recycle Law enacted PCB Special Measures Law enacted Standardization of MSDS by JIS (Japanese Industrial Standards Committee) |
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| 2002 | Kashima Factory obtained HACCP approval from Japan Institute of Food Oil & Fats Inspection Foundation The Compliance Promotion Committee was organized Kashima Factory and Souma Factory obtained OHSAS18001 Adeka Engineering & Construction Co., Ltd obtained ISO9002 |
Started registration for the PRTR Law | PRTR Law fully enacted Kyoto Protocol ratified |
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| 2003 | Transfer of ISO9002 to ISO9001 completed for all certified factories Reinforcement of Asahi Denka Group compliance system Constitution of Compliance Action Charter of Asahi Denka Group Chiba, Fuji and Akashi factories obtained OHSAS18001, resulting in all six factories having been certified for OHSAS18001 compliance Formulation and Distribution of the Compliance Action Guideline |
Law Concerning Measures against Soil Contamination enacted | ||
| 2004 | A- (progressed from BBB+) rating was assigned by Rating and Investment Information Inc, | Chemical Production Safety Group and Food Production Safety Group in the Quality Assurance Office newly constituted & Environmental Safety and Quality Assurance Department strengthened | 2003 Environmental Report for FY2003 reviewed by the Responsible Care Verification Center | Revision of Regulations to Ship and Store Hazardous Cargo |
| Souma Factory obtained Integrated Management System (IMS) certification | ||||
| The first "Four Safeties" promotion presentation held & Awareness on safeties of "Labor, Quality, Environment, and Facility" raised | ||||
| February 2005 | Creation and distribution of Compliance Case Book Attitude survey on compliance conducted |
Kyoto Protocol enacted | ||
| April 2005 | Constitution of Personal Information Protection Policy and Personal Information Management Regulation | Private Information Protection Law fully enacted | ||
| July 2005 | Operational Auditing Branch opened Internal Auditing Structure strengthened |
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| August 2005 | Tokyo Environmental Measurement Center Co., Ltd obtained ISO9001 | |||
| April 2006 | Current Mid-Term Management Plan published | Revised Energy Saving Law enacted | ||
| May 2006 | Corporate name changed from Asahi Denka Co., Ltd., to ADEKA Co., Ltd. & Headquarter operations relocated into the new headquarter building in Higashioku, Arakawa, Tokyo | |||
| Number of shares for one unit changed to 100 shares, from 1000 shares | Action Charter and Action Guideline, and Compliance Regulation revised Internal reporting regulation established |
Regulation on Safeguarding Informer of Public Interest enacted Company Act enacted |
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