| 1993 | TDK Environmental Voluntary Plan formulated |
| Total elimination of ozone depleting substances | |
| 1995 | Start of ISO 1400 implementation |
| 1996 | Start of consolidated control of chemical substances |
| 1997 | Safety & Environment Office established |
| ISO 14001 certification obtained by Mikumagawa Plant, first in TDK Group | |
| Introduction of product assessment | |
| 1998 | ISO 14001 certification obtained by all TDK Parent Company manufacturing and R&D facilities |
| Total elimination of trichloroethylene and tetrachloroethylene | |
| 1999 | Green procurement starts (Japan sites) |
| Lead-free project inaugurated | |
| Regular release of Environmental Report begins | |
| 2000 | Zero Emission Project launched |
| ISO 14001 certification of all manufacturing and R&D facilities of TDK Group in Japan completed | |
| In-house environmental newsletter "TDK ECOPLUS" launched | |
| 2001 | Feb. Incinerators eliminated at manufacturing plants in Japan |
| Mar. TDK Green Purchasing Guide (Office Edition) published | |
| Mar. Technical development completed for lead-free soldering | |
| Apr. Trial introduction of environmental accounting started (Japan sites) | |
| Jul. Cogeneration system introduced at the Chikumagawa 2nd Technical Center (current Asama Techno Factory) | |
| Aug. TDK Recording Media Europe S.A. (TRE) in Luxembourg becomes the first member of the TDK Group to achieve zero emissions | |
| Oct. "Environmental Activities" section of TDK Web site established | |
| 2002 | Apr. Mass production technology for electronic components compatible with lead-free solder developed |
| Apr. EMS Integration Preparation Committee inaugurated (committee name changed to EMS Integration Promotion Committee in April 2003) | |
| May Product Environment Committee inaugurated | |
| Oct. Seminar on zero emissions held at Mikumagawa Plant, the first domestic plant to achieve zero emissions | |
| Oct. Fundamental environmental plan, TDK Environmental Action 2010, drafted (started from April 2003) | |
| 2003 | Jul. TDK Chemical Substance Contained for Product Standards established |
| Sep. Safety & Environment Office obtains ISO 14001 certification (as a first step toward company-wide EMS integration) | |
| Oct. Zero emissions achieved at all TDK sites in Japan | |
| 2004 | Jul. Efforts to achieve zero emissions started in China |
| Oct. Environmental risk management activities (for soil contamination) started at all manufacturing facilities in Japan | |
| Nov. Environmental Product Quality Management System established and implemented | |
| Dec. All general-purpose electronic components conform to RoHS Directive | |
| 2005 | Jul. Environmental risk management activities (for VOC) started at all manufacturing facilities in Japan |
| Dec. Fundamental environmental plan, TDK Environmental Action 2015, drafted (started from April 2006) | |
| 2006 | Feb. 300-kW solar power generation system introduced at Kofu Plant (selected for field testing of solar power technologies by NEDO*) |
| Mar. EMS integration for all manufacturing facilities in Japan completed | |
| Apr. EMS integration in China started | |
| Apr. Quality Management System (QMS) and Environmental Product Quality Management System integrated | |
| 2007 | Jan. Chinese headquarters obtained ISO14001 certification (first step toward integration of EMS in China into company-wide system) |
| Mar. Zero emissions achieved for manufacturing facilities of all overseas subsidiaries | |
| May Participated in Japan Article Management Promotion (JAMP) consortium as a promoter | |
| 2008 | Feb. Received Grand Prize in 17th "Global Environment Awards" |
| May Global Warming Countermeasure Summit (start of workgroup activities) | |
| Jul. Thailand tree planting drive enters 5th year | |
| Aug. TDK Components U.S.A., Inc. (TCU; Georgia) received the Performance Track Environmental Performance Award from the US Environmental Protection Agency | |
| Sep. Start of environment-conscious product certification system (Eco Love products) | |
| Oct. Akita Prefecture Mount Chokai beech forest planting drive enters 5th year | |
| Dec. Participation in CO2 emissions trading scheme in Japan | |
| 2009 | Mar. EMS integration of TDK-Lambda Corporation completed |
| Sep. TDK establishes Biodiversity Action Agenda | |
| Dec. The installation of the solar power system at the Kofu Plant wins a Ministry of Economy, Trade and Industry 14th New Energy Award Review Board Chair's Prize | |
| 2010 | Mar. TDK discloses chemical substance information on the "JAMP-GP chemical substances in products information system" |
| Mar. TDK-Lambda Corporation concluded a comprehensive "corporate hometown building agreement" with Shinano-machi in Nagano Prefecture and the Mountain Village Revitalization Support Center | |
| Sep. TDK became the first electronic components maker to receive a special award under the environmental assessment scheme of the Development Bank of Japan | |
| 2011 | Feb. Fundamental environmental TDK Environment Action 2020, drafted (started from April 2011) |
| Apr. 3rd year of Ecocap Movement activities at Kisakata Plant | |
| May. 4th Global Warming Countermeasure Summit held | |
| Jun. EPCOS India Private Ltd. participates in World Environment Day activities; 5th year of planting seedlings | |
| Jun. SAE Magnetics (Hong Kong) participates in "Green City, Green Roads, Green Life" environmental conservation activities organized by the Dongguan Environmental Protection Bureau | |
| Nov. TDK Taiwan Corporation participates in "One Person, One Tree Planted" campaign commemorating the International Year of Forests |
