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Marine Earth Co., Ltd.

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Japanese environmental technology company based in Anan, Tokushima, developing water-environment improvement technologies for enclosed sea areas.

Last updated September 27, 2026

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Overview

Marine Earth Co., Ltd. (株式会社マリンアース) is a Japanese company headquartered in Anan, Tokushima Prefecture, at 4-2 Kitaura, Yokomi-cho. It operates in the environmental technology field, with a particular focus on improving the water environment of enclosed sea areas. The company's official website dates its copyright to 2002, indicating that it has been active since at least the early 2000s. Marine Earth's core activity centers on technologies for restoring and improving marine and coastal water environments. According to its official website, the company, together with three other firms, had its water-environment improvement technology for enclosed sea areas certified under the Ministry of the Environment's Environmental Technology Verification (ETV) program, based on a demonstration experiment conducted in Kure City, Hiroshima Prefecture. This certification came with an authorization number and permission to use the Ministry of the Environment's logo mark. The company has been involved in several publicly recognized projects and registrations. It participated in the Kure Regional Marine Environment Project Creation Research Group and contributed to the "Nature-Nurturing" project for the new north breakwater at Hamada Port in Hamada City, Shimane Prefecture. Its products were listed under the Green Purchasing Law's specified procurement items for "concrete and secondary concrete products." It has also been registered in the Japan Science and Technology Agency's research institution database (ReaD) and in the Ministry of Land, Infrastructure, Transport and Tourism's New Technology Information System (NETIS). Additionally, it has exhibited at the Tokushima Industrial Virtual Trade Fair. Marine Earth works in collaboration with organizations such as the NPO Green Earth Tokushima and has obtained occupancy permits from Tokushima Prefecture. The company's work aligns with broader Japanese public-sector efforts to promote environmentally sound coastal and marine infrastructure. As a privately held company, it does not appear to be listed on any stock exchange. Its official contact details include a telephone number (0884-23-6501), fax number (0884-23-6503), and email address (mearth@hb.tp1.jp).

History

Marine Earth Co., Ltd. is a Japanese environmental technology company based in Anan, Tokushima Prefecture. Its official website carries a copyright notice dated 2002, suggesting the company was established or began its online presence around that time. The company's early activities are not extensively documented in public sources, but its official website provides a record of its major projects and certifications. A significant milestone for Marine Earth was the certification of its water environment improvement technology for enclosed sea areas under the Ministry of the Environment's Environmental Technology Verification (ETV) program. This certification was based on a demonstration experiment conducted in Kure City, Hiroshima Prefecture, carried out jointly with three other companies. The certification included the issuance of a certification number and permission to use the Ministry of the Environment's logo mark. The results of the demonstration test were published on the Ministry of the Environment's website as part of the Kure Regional Marine Environment Project. Marine Earth has also been active in collaborative research and regional development. It participated in the Kure Regional Marine Environment Project Creation Research Group and worked with the NPO Green Earth Tokushima, from which it obtained an occupancy permit from Tokushima Prefecture. The company contributed to the "Nature-Nurturing" project for the new north breakwater at Hamada Port in Hamada City, Shimane Prefecture, an initiative aimed at creating environmentally friendly coastal infrastructure. In terms of public recognition and registrations, Marine Earth's products were listed under the Green Purchasing Law's specified procurement items for "concrete and secondary concrete products." The company was registered in the Japan Science and Technology Agency's research institution database (ReaD) and in the Ministry of Land, Infrastructure, Transport and Tourism's New Technology Information System (NETIS). It also exhibited at the Tokushima Industrial Virtual Trade Fair, showcasing its technologies to a wider audience. The company remains privately held and continues to operate from its headquarters in Anan, Tokushima. Its work reflects ongoing efforts in Japan to integrate environmental conservation with coastal and marine infrastructure development.

  • Copyright notice on official website indicates company active by 2002

  • Water environment improvement technology for enclosed sea areas certified under Ministry of the Environment ETV program

  • Participated in Kure Regional Marine Environment Project Creation Research Group

  • Contributed to 'Nature-Nurturing' project at Hamada Port, Shimane Prefecture

  • Products listed under Green Purchasing Law specified procurement items

  • Registered in JST ReaD research institution database

  • Registered in MLIT NETIS

  • Exhibited at Tokushima Industrial Virtual Trade Fair

Products and positioning

Environmental technology provider specializing in marine and coastal water environment improvement, with government-verified technologies.

  • Water environment improvement technology for enclosed sea areas

    Technology certified under the Ministry of the Environment's Environmental Technology Verification (ETV) program, developed through a demonstration experiment in Kure City.

  • Concrete and secondary concrete products

    Products listed under the Green Purchasing Law's specified procurement items.

Sources2 sources

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