- 2018/08/17
- IWA World Congress and Exhibition 2018, Ariake Tokyo
- 2017/05/31
- Official start of Pilot Project of CHEMILES in Thailand
- 2017/04/17
- Introducing CHEMILES in Tsuda Water Treatment Plant in Kaizuka City to Mission of Ho Chi Minh City
- 2017/02/16
- Water purification Technology by "CHEMILES" was selected to JICA's "Feasibility Survey for Safe Water" Project in Thailand
- 2017/02/09
- Notice Concerning Changes of Representative Directors
- 2016/11/02
- Holiday Notice: Anniversary of the founding
- 2016/09/15
- Order Received for CHMILES Pilot Plant for Removal of Heavy Metals from Pit Water in Abandoned Open-pit Quarry
- 2016/08/10
- Holiday closing notice
- 2016/08/03
- Introducing NAGAOKA's Water Intake and Treatment Technology in JICA Group Training
- 2016/07/12
- JICA's Project Starting operation of CHEMILES in Tuong Mai Water Treatment Plant in Hanoi, Viet Nam
- 2016/06/30
- Nagaoka's Homepage has been renewed.
- 2016/06/15
- NAGAOKA made a keynote speech at Water Summit 2016, Milwaukee, WI. USA
- 2016/04/18
- Concluding Exclusive Sales Agreement with Bureau of Waterworks Tokyo Metropolitan Government on Sales Initiation of Co-developed "Low-energy Aeration System (AERSYS)"
- 2016/02/23
- NAGAOKA was awarded "SPN Award for The Excellent Company of Risk management"
- 2016/02/09
- Signing of Minutes of Meeting on Conducting JICA's Project "the Verification Survey with the Private Sector for Disseminating Japanese Technologies for CHEMILES Technology - Groundwater Treatment System without Chemical to Improve Water Quality"
- 2015/10/01
- Report of "The 6th IWA-ASPIRE Conference & Exhibition"
- 2015/08/27
- Announcement of The 6th IWA-ASPIRE Conference & Exhibition in Beijing, China
- 2015/08/26
- Introducing NAGAOKA's Water Intake and Treatment Technology in JICA Participants
- 2015/07/31
- Conclude Memorandum of Understanding with VIWASE
- 2015/07/31
- Adopted to one of the "JICA's Partnership with the Japanese Private Sector ~Verification Survey with the Private Sector for Disseminating Japanese Technologies~"
- 2015/07/15
- NAGAOKA welcomed JICA Mission and introduced Water Related TEchnology
- 2015/06/29
- Listing on the Tokyo Stock Exchange
- 2015/05/27
- Approval for Listing on the Tokyo Stock Exchange
- 2015/03/23
- Winning of Diversity Management Selection 100
- 2015/01/21
- Notice in change of Paid In Capital
- 2014/10/06
- Global Winner and Superior Achievement Award given to NAGAOKA for IWA PIA 2014
- 2014/09/29
- NAGAOKA participated in Exhibition in Hanoi and Presented Water Related Technology
- 2014/07/27
- NAGAOKA collaborates with Vietnam National Center for Water Resources Planning and Investigation, Ministry of Natural Resources and Environment
- 2014/07/03
- Opening of Research & Development Center
- 2014/07/03
- CHEMILES Pilot Study Start-up in Hanoi, Vietnam
- 2014/07/02
- NAGAOKA welcomed JICA Mission and introduced Water Related Technology
- 2014/06/09
- NAGAOKA 'ENERLES' Awarded Winner of IWA-PIA 2014 in East Asia
- 2014/05/14
- Completion of CHEMILES ETV Test and Final ETV Test Report
- 2014/03/26
- Agreement with Beijing Enterprises Water Group on HiSIS Pilot Plant Project in Caofeidian District
- 2013/11/26
- Successful water feed of CHEMILES at Suihua-City, Heilongjiang, China
- 2013/10/30
- IDA World Congress in Tianjin, China
- 2013/07/10
- Opening of NAGAOKA Hitachi Zosen Equipment (Dalian) Co., Ltd.
- 2012/09/25
- IWA Busan 2012 World Water Congress & Exhibition