2012
February 28	Kurita Obtains NSF Certification for RO Membrane Water Treatment Chemical Promoting overseas sales of high-safety RO membrane water treatment chemicals

2011
October 24	Kurita Develops and Begins Sales of the Biosaver™ TK, a Carrier-Type Anaerobic Water Treatment System Applicable for Low-Concentration Wastewater -- A Biotreatment Technology Enabling Energy Conservation and Waste Reduction in Wastewater Treatment --
October 17	Kurita Concludes Joint Research Agreement on Future-Type Water Recycling System for Space Station -- Joint Research with the Japan Aerospace Exploration Agency (JAXA) --
May 31	Announcement of Changes in Directors
May 31	Launch of a New Water Treatment Chemicals Factory in Brazil
April 28	Kurita Water Industries Announces Company President Changeover
March 22	About the Donation to the Victims of the Tohoku-Pacific Ocean Earthquake
March 9	Kurita Develops Electro-Osmosis Dehydrator "Hydopress™ E" to Contribute to the Reduction of Waste and CO2 Emissions
January 31	Kurita Water Industries Revises Earnings Forecast
January 27	Kurita Develops New Water Processing Technology to Save Energy in Refrigeration Systems Used in Factories and Office Buildings

2010
December 24	Notice Regarding Market Purchase of the Company's Stock and Completion of Acquisition (Under the provisions of the Articles of Incorporation pursuant to Article 165, paragraph 2 of the Corporation Law)
December 7	Promoting the Use of “Green Sulfaceed KD™” as a System Proven to Enable Ashing-less Photoresist Removal in Semiconductor Manufacturing
October 29	Notice Regarding Acquisition of the Company's Stock (Under the provisions of the Articles of Incorporation pursuant to Article 165, paragraph 2 of the Corporation Law)
October 7	KCDI®-SP Developed to Help Plating Factories Reduce Environmental Impact and Improve Plating Quality through Recovery and Optimal Use of Valuable Resources
May 24	Reinforcing Wastewater Reclamation in China, through Comprehensive Capabilities in Water Treatment Chemicals, Facilities, and Maintenance Business ～Supporting GAC Toyota Motor Co., Ltd. in Effective Use of Water Resources～
April 22	Kurita Develops a New Wastewater Treatment Technology to Help Power Plants Reduce Their Environmental Impact

2009
December 22	Kurita Develops Water Treatment Chemicals to Contribute to the Stabilization of RO Membrane Processing
December 2	Electrolyzed Sulfuric Acid Generator “Green Sulfaceed KD™”, A New Technology for Semiconductor Resist Removal, Dramatically Reduces the Environmental Impact of the Semiconductor Cleaning Process
October 2	Application of Clathrate Compound Technology to a New Field Development of the World’s First Electrolyte Blowout Prevention Material Improves the Safety of Capacitors
September 18	Kurita Completes Its High Performance Resin and Membrane Refining Plant to Meet the Quality Stability Requirements of Next-Generation Semiconductors
July 29	Kurita Water Industries to Establish a Water Treatment Chemicals Sales Subsidiary in the Hokuriku Region
May 29	Announcement of Changes in Directors and Corporate Auditors
May 29	Kurita Water Industries to Merge Domestic Water Treatment Chemicals Sales Subsidiaries
April 28	Kurita Water Industries Announces Company President Changeover
March 27	Kurita Water Industries to Wind Up Consolidated Overseas Subsidiary
March 27	Kurita Water Industries to Close its Singapore Branch
March 19	Kurita Water Industries to Establish a Water Treatment Chemicals Subsidiary

2008
November 12	Kurita Develops Ultrapure Water Production System Using Nanosaver™ -Reduces Hydrogen Peroxide to Trace Amount-
June 19	Bioaugmentation Technology for In Situ Degradation and Detoxification of Chlorinated Ethenes Endorsed for the First Time in Japan to Comply with the Guidelines (Ministry of Economy, Trade and Industry, Ministry of the Environment)
May 30	Kurita Water Industries Corporate Auditor to Step Down
April 30	Kurita Water Industries to Partially Amend Articles of Incorporation
March 28	Kurita Water Industries Revises Director Compensation
March 28	Kurita Partially Revises its Fundamental Policy regarding the Establishment of Internal Control Systems

2007
December 3	Announcement about Organizational Change and Changes in Directors’ Responsibilities
September 21	Order to Suspend Business Based on the Construction Industry Law
May 31	Notice regarding transfer of directors
March 14	Internal Proceedings Brought about by Violation of the Antimonopoly Law
March 14	Announcement Concerning a Court Decision Involving the Antimonopoly Law
January 17	Surcharge Payment Order from the Japan Fair Trade Commission

2006
December 27	Pullout from Construction Projects in Public Works Market
June 23	Internal Proceedings Brought about by a Violation of the Anti-monopoly Law
June 13	Apologies for Indictment against Kurita Water Industries and one of its employees
May 23	Apologies for Criminal Prosecution against Kurita Water Industries
May 19	Pullout of Construction Projects for Sludge Treatment (Human Waste Treatment) Facilities
March 14	Kurita Water Industries Develops the "OXYNON™MF series", which Restrains Corrosion Thinning of Feedwater and Condensate System Pipes in Boilers

2005
December 1	Kurita Water Industries to Establish Water Treatment Chemical Retail Company in Tokai Region
October 25	Participation in Fuel Cell Verification Tests subsidized by Mie Prefecture and Yokkaichi City
October 20	Development of the World's First “Solid-State Methanol” for Fuel Cells
September 29	Establishment of the "Kurita Global Technology Center"
September 21	Establishment of Water Treatment Equipment Production Base in Yamaguchi Prefecture
September 14	Nagoya Risui and Gifu Risui to Become Wholly Owned Subsidiaries of Kurita through an Exchange of Stocks
May 24	Notice regarding transfer of directors
March 23	Sales Launch of water treatment agent for waterborne paints “Kuristuck ™B310”

2004
December 8	Sales launch of decomposition agent for fly ash dioxins “DIOVANISH™UF”
October 21	Full-scale release of paper pulp slime control agent Fuzzicide™
August 25	Reorganization of Production Framework for Water Treatment Chemicals and the Integration of the R&D Centers
May 27	Completion of the World’s First Hydrogen fuelling Station for Installation Alongside Existing Gas Stands
May 19	Kurita Water Industries to set up water treatment facilities manufacturing company in China.

2003
October 27	Notice regarding joint construction of hydrogen fuelling station by Kurita Water Industries, SINANEN, and ITOCHU ENEX
July 24	Development of a high-efficiency denitrification system High-speed processing can be realized by grain-shaped growth of microorganisms for Anammox
April 28	Kurita Announces New President
March 31	Notice on Purchase of the Company’s Own Stock on the Market (Acquisition of the Company’s Own Stock pursuant to Article 210 of the Commercial Code)
February 26	Notice on Purchase of the Company’s Own Stock on the Market (Acquisition of the Company’s Own Stock pursuant to Article 210 of the Commercial Code)
January 30	Notice on Purchase of the Company’s Own Stock on the Market (Acquisition of the Company’s Own Stock pursuant to Article 210 of the Commercial Code)

2002
December 27	Notice on Purchase of the Company's Own Stock on the Market (Acquisition of the Company's Own Stock based on Article 210 of the Commercial Code)
November 27	<World’s First SCWO to Deal with High Salt Concentrations> Kurita Water Industries and Komatsu Limited Jointly Developed Supercritical Water Oxidation Unit
October 17	“Incinerator Wall Protectors” Released: Offering Excellent Clinker Adherence Prevention and Detachment Effective in Operation of Refuse Incinerators without Dioxin Emissions
September 19	Land Solution Inc. Establishment of “Soil Pollution Research Fund” Removing the Financial Obstacles that Prevent the Fluidization of Land
April 4	The Establishment of an Ultra Pure Water Supply Company in Singapore

2001
October 8	Revision of forecast
July 5	Establishment of Japan's First Company Specializing in Reducing the Risk of Soil Contamination in Commercial Transactions