May 14, 1952
Established OTTO CORPORATION as a sole agent for Dr. C Otto, a company in the former West Germany. Commenced business operations including design, manufacture and build equipment and facilities for coal processing, coke production, gas generation and gas purification as well as their related equipments and devices.
January 1, 1990
Organized Engineering Products Department to import and distribute monolithic isolating joints and train car couplers.
February 1, 1993
Organized Swimming Pool Business Department to start manufacture and distribute stainless-steel and aluminum swimming pools.
July 1, 2000
Organized Marine Engineering Department by taking over the business from Tomen Construction. Formed Products Department by unifying Marine Engineering Department and Engineering Products Department. Reorganized Swimming Pool Business Department as Aqua Amenity Department.
April 1, 2006
Integrated Marine Engineering Dept. with Engineering Product Dept. as Product Div.
April 1, 2010
Integrated Aqua Amenity Department with Products Department.
December 27, 2010
Spun off Products Department from OTTO CORPORATION and established a separate company, OTTO PRODUCT CORPORATION.
October 31, 2011
Nippon Filcon Co., Ltd. acquired 100% ownership of OTTO PRODUCT CORPORATION.
February 1, 2012
Changed the corporate name to Aqua Product Corporation.
December 1, 2012
Integrated business organization with the division of environmental/water treatment of NIPPON FILCON CO.,LTD.
December 1, 2013
Divisional Operation System (Aqua Division and Product Division)