SEAPREX Inc. was established with the keywords "Marine", "Pressure" and "Technology" as its aim to provide a wide range of services and technologies, including the sale of industrial and medical gases, as well as the sale and rental of related equipment.
The expansion of the industrial use of gas, the growth of gas demand and the diversification of customer needs have led to a strong demand for a complete safety system. We are experts in the latest pressure control technology and work closely with our partners to provide total solutions including optimum design, equipment selection and construction.
We look forward to your continued patronage.

CEO : Sadayuki Togashi

About Us

Company Name SEAPREX Inc.
Representative Sadayuki Togashi

Head office

〒237-0075 4-6, Tauramachi, Yokosuka City, Kanagawa Prefecture
TEL:046-874-5951 / FAX:046-874-5952

Yokohama Branch Office

〒233-0006 14-19, Serigaya 4-chome, Konan-ku, Yokohama City, Kanagawa Prefecture
TEL:045-825-5475 / FAX:045-825-5476

Date of Establishment August 26, 2004
Capital 33,000,000 yen
Business Outline
  • Import and sales of special equipment, operational support
  • Sales and installation of equipment for atmospheric pressure work
  • Various gas supply and sales
  • Maintenance and servicing of electronic equipment and atmospheric pressure equipment
Products handled
  • All types of submersible water equipment
  • Submerged water gas mixture
  • Various tools
  • Various engineering, etc.
Main Citation
  • Mitsubishi Heavy Industries
  • Kawasaki Heavy Industries
  • Japan Marine United Inc.
  • Japan Steel Works, Ltd.
  • Ministry of Defense (Ground, Maritime and Air Self-Defense Forces)
  • Office of Maritime Security
  • Construction companies (Marufu Corporation, Omotogumi)
  • Japanese salvage
  • Other submersible and salvage companies
  • Electric Power Companies