Authorized by the minister for construction
business (machineries and appliances installation
business)
Major Banks
Mizuho Bank, Ginza Chuo Branch
Sumitomo Mitsui Banking Corporation, Tokyo
Chuo Branch
The Sawayaka Shinkin Bank, Toranomon Branch
Memberships
Water Reuse Promotion Center, The Tokyo
Chamber of Commerce and Industry, Japan
Desalination Academy, Japan Seawater Academy,
Japan Water Works Association, National Private
Water System Association, Japan Management
Association, Tokyo Trading Center, Tokyo
Metropolitan Small Business Center Net Club
Business Purpose
Designing and manufacturing of general membrane application equipment
1. Seawater desalination equipment (4.0m³/day – 2,000m³/day)
2. Seawater desalination plant (1,000m³/day – 25,000m³/day)
3. Desalination facilities (removing salinity, removing heavy metal salt)
4. Membrane filtration equipment (UF membrane filtration, MF membrane filtration)
5. Rental business of the equipment listed above for emergency relief
6. Other general water processing facilities
June 1969
Company established in Chiyoda-ku, Tokyo (Capital: 1.5 million Yen)
July 1974
Head Office relocated to Chuo-ku, Tokyo (Capital: 10 million Yen)
February 1977
Expanded business into reverse osmosis membrane application business
January 1979
Head Office relocated to Ginza, Chuo-ku
November 1990
Participated in the Middle East Contribution Activity operated by
the Japanese government, dispatched engineers to the fields
November 1992
Increase in capital for expanding business(Capital: 42 million Yen)
April 1999
Increase in capital for acquiring land for industrial use (Capital: 82 million Yen)
January 2000
Number of reverse osmosis membrane applications
equipment such as seawater desalination
equipment delivered surpassed 700 units,
accumulated amount of desalinated water reached
71,783m³/day
March 2002
One of the world's largest factories specialized in reverse osmosis membrane equipment completed. Maximum production capacity reached 10,000m³/day.
February 2004
Shipped a seawater desalination plant with a capacity of
5,200m³/day to the Middle East
November 2005
Shipped a seawater desalination plant with a capacity of 4,000m³/day to
Southeast Asia for drought management purpose
March 2009
Released new energy-saving seawater desalination equipment
March 2009
Delivered 286 water purifiers for disaster incidents to facilities under relief management of the Ministry of Justice
March 2009
Relocated Tokyo Head Office
March 2011
ISO9001:2008 Registraion
November 2015
Released new energy-svaing seawater desalination equipment
March 2017
ISO9001:2015 Registraion
June 2019
50th Anniversary since 1969
Head Office Tel. +81-3-3564-5771 / FAX. +81-3-3564-5698
(Tatsu Bldg.) 18-2 Ginza, 1-chome, Chuo-ku,104-0061 Tokyo