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NIHON GENRYO
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SWS


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Company History

 
December, 1939
First president Hirotsugu Saito established Nihon Genryo for the purpose of manufacturing and selling sand to be used as glass materials.
January, 1940
Established plants in Takahagi-shi and Isohara-cho (in Kitaibaraki-shi at present) and also started conducting the collection and sale of glass materials and casting sand
September, 1945
Started forming the basis of a company specializing in filter media under the guidance of the GHQ and related government offices
August, 1950
Built a new plant and office in Kizugawa, Kyoto
January, 1951
Established the Japan Filter Sand Lab to promote quality control and technical development based on the JWWA Standard set by the Japan Water Works Association. Appointed a member of the Hygiene Survey Commission of the Japan Water Works Association
October, 1954
Invented a patented high-speed sand washing system and established a system for mass production thereof Obtained a patent for a system to scrape away the surface sand of slow filters and more than 60 other patents and utility models.
October, 1968
First president Hirotsugu Saito received the Merit Award (Yuko-sho) from the Japan Water Works Association due to his contribution to the development of waterworks through efforts in inventing a sand sieving and washing system for filtration sand for water supply and conducting research on the improvements of filter media.
October, 1969
First president Hirotsugu Saito received the Blue Ribbon Medal from the former Prime Minister Eisaku Sato for his contribution to the development of the industry.
May, 1970
Kin Saito assumed the presidency.  
October, 1982
President Kin Saito received the Health and Welfare Ministerfs award for her long-term efforts for diffusion and development of water supply systems and remarkable achievements.
December, 1985
Participated in the establishment of JWWA A-103-1988 (standard for the method of testing filter media for water supply) of the Japan Water Works Association as a member of the Specialized Committee on the Testing of Filter Sand for Water Supply System.
February, 1989
The death of the Showa Emperor. Nihon Genryo dedicated white sand as paved sand in the funeral hall at the time of the state funeral of the emperor.
July, 1995
Fully renewed the Takahagi Plant, and established a 24-hour fully-automated production system.
November, 1996
Awarded as a company that had made great contribution, on the occasion when the Japan Water Supply Industry Joint Association marked its 30th anniversary.
January, 1997
Developed and made public the innovative sand washing system gSaito-Type Filter Sand Washing System,h which was taken up by Nihon Keizai Shimbun and other mass media as a cutting edge invention that had been unimaginable in the past.
June, 1997
Yasuhiro Saito assumed the presidency.
April, 1999
Obtained ISO 9002 certification (we have already obtained ISO9001 certificate: we have upgraded and transferred to the 2000 version and have expanded the scope of application) as the first company to obtain the certification in the sector of water treatment facility maintenance work including gfilter rehabilitation work.h
July, 1999
Marked 60th anniversary of its foundation (Anniversary of the establishment: July 28)
July, 2000
Announced the development of the gSaito K3 System,h which extends the cycle of rehabilitation work
October, 2000
Announced the development of the gColor Cutter G,h which is filter media for color removal by which color and manganese can be removed
March, 2002
Announced the development of the gSaito Tank,h which is the water treatment filtration system that does not require replacement of filter media
November, 2002
Received the gRegional Environmental Technology Prize of the 19th Kanagawa High-Tech. Grand-Prixh for the gSaito Tankh
April, 2003
Received the gAward of Excellence in the Technology/Product Sector of the 15th SME New Technology/Product Awardh for gSaito Tankh
November, 2003
Received the gIncentive Award of the 8th Kanagawa Business Audition in 2003h for the gSaito Tankh
February, 2004
Received the gKawasaki Best Entrepreneur Award of the Kawasaki Entrepreneur Competition-Business Idea-Seed Marketh for the gSaito Tankh.
April, 2004
Announced the development of the gActivated-Carbon Saito Tank,h which is an activated carbon absorption facility that can extend the life of activated carbon
April, 2004
Announced the development of the gHyper Tank,h which is a filtration system for well water treatment
August, 2004
Certified as a company conducting research and development for practical application
March, 2005
Announced the development of the gMobile Saito Tank,hwhich can be used as a water-treatment system during disasters, and needless to say, at civil engineering sites
Apri,l 2005
Exhibited of gSaito Tankh at maximum trade fair gIFAT2005h in the world.
May, 2005
Received the gNational commendation invention of grand prize of the Prize of the Chairman of the Japan Chamber of Commerce and Industry h for gWashing equipment of filter materials for water treatment(Sito-Type Filter Sand Washing System)
November, 2005
Made a sales agreement contract with the water management related companies, such as F.B.Leopold Company Inc. (USA), Georg Schuenemann GmbH(Germany), KLEEMEIER,SCHEWE&CO.KSH GmbH(Germany).
April, 2007
President Yasuhiro Saito received gThe Commendation for Science and Technology by the Minister of Education, Culture, Sports, Science and Technology, Technology Categoryh.
April, 2007
Started online selling service of gfilter nozzles and drainage systemsh by Kleemeier, Schewe & Co. KSH GmbH in Germany.
October, 2007
Exhibited of gSaito Tankh at the largest annual exhibition in the world, gWEFTECh in San Diego, U.S.A.
May, 2008
Exporting First machine of "SWS" to Germany, and starring test at real site.
June, July, 2008
Disaster recovery operation at site. Supplying drinking watar by "Mobile Siphon Tank".
November, 2008
Joined to the Exhibition of "The Big 5" Dubai, UAE. Exhibited "Mobile Saito Tank" real machine.
April, 2009
Starting to sell "SWS" in Japan.
April, 2009
Joined to Secretariat of the Water Security Council of Japan: c/o Japan Water Forum
June, 2009
70th Anniversary of establishment of Nihon Genryo Co., Ltd.
gRegional Environmental Technology Prize of the 19th Kanagawa High-Tech.Grand-Prixh gAward of Excellence in the Technology/Product Sector of the 15th SME New Technology/Product Awardh gIncentive Award of the 8th Kanagawa Business Audition in 2003h
gRegional Environmental Technology Prize of the 19th Kanagawa High-Tech. Grand-Prixh
gAward of Excellence in the Technology/Product Sector of the 15th SME New Technology/Product Awardh
gIncentive Award of the 8th Kanagawa Business Audition in 2003h

gKawasaki Best Entrepreneur Award of the Kawasaki Entrepreneur Competition-Business Idea-Seed Marketh
National commendation invention of grand prize of the Prize of the Chairman of the Japan Chamber of Commerce and Industry

gKawasaki Best Entrepreneur Award of the Kawasaki Entrepreneur Competition-Business Idea-Seed Marketh

gNational commendation invention of grand prize of the Prize of the Chairman of the Japan Chamber of Commerce and Industryh



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