Kaiyo Engineering Co., Ltd.
Japanese marine consultancy and survey firm providing offshore and coastal oceanographic investigation, marine consulting, fisheries facility design, and environmental equipment.
Last updated September 26, 2026
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Overview
Kaiyo Engineering Co., Ltd. (海洋エンジニアリング株式会社) is a Japanese company headquartered in Taito-ku, Tokyo, that describes itself as a comprehensive consultant for water-area environments. Established on 15 November 1969 (Showa 44), the company has built its business around oceanographic and coastal surveys, marine consulting, and the design of fisheries facilities. Its registered capital is 90 million yen, and its main shareholder is Takionish Holdings Co., Ltd. (タキオニッシュホールディングス株式会社). The representative director and president is Takeshi Kito (鬼頭 毅). The company's core service lines are organized into five areas: offshore marine surveys, coastal marine surveys, marine consulting, fisheries facility design, and an environmental equipment business. Offshore surveys cover precise seabed topographic and geological investigation, fishery resource quantity surveys, marine environmental surveys, and disaster-prevention-related surveys, supported by company-owned survey vessels and equipment. Coastal surveys focus on the marine environment close to daily life, analyzing seabed topography, physics, chemistry, and biology. Marine consulting addresses environmental impact assessment, creation and improvement of marine environments, water-area environmental conservation planning, environmental system development, information processing and analysis, and marine renewable energy. Fisheries facility design includes fisheries promotion planning, fishing ground planning, and facility design, with experience in fisheries experiment stations and sea-farming (stock enhancement) centers. Beyond marine work, Kaiyo Engineering operates an environmental equipment business that recycles and reuses expanded polystyrene (styrofoam) through products such as the "Styrol Post" and a foamed-plastic volume-reduction machine, which the company says reduces styrofoam to roughly 1/100 of its volume. The company also lists ROV (remotely operated vehicle) capabilities and information on owned vessels and equipment. Kaiyo Engineering is registered as a construction consultant, holds a first-class architect office registration (Tokyo Metropolitan Governor registration), is registered as a surveyor, and has ISO 9001 certification. Its offices include the Tokyo head office, a Mie Center in Ise, a Kyushu office in Nagasaki, a Shizuoka sales office in Shimizu-ku, Shizuoka, an Okinawa sales office in Naha, and a Technical Center in Adachi-ku, Tokyo. It also works with partner companies in Thailand (S.D.A. Group Company Limited) and the Philippines (Bluenomads.org Philippines). Related companies include Coastal Marine Survey Co., Ltd. (沿岸海洋調査株式会社), Nihon Kaiyo Co., Ltd. (日本海洋株式会社), Techno Suruga Laboratory Co., Ltd. (株式会社テクノスルガ・ラボ), Sonic Co., Ltd. (株式会社ソニック), Abyssal Co., Ltd. (株式会社アビサル), O.K.E. Service Co., Ltd. (株式会社オー・ケー・イー・サービス), and Sanei Marine Co., Ltd. (サンエイ・マリン株式会社).
History
Kaiyo Engineering Co., Ltd. was established on 15 November 1969 (Showa 44) in Japan. The company developed as a specialist in water-area environmental consulting, combining oceanographic survey work with engineering and design services. Its registered capital is 90 million yen, and it is headquartered at 4-28-11 Taito, Taito-ku, Tokyo. The company's main shareholder is Takionish Holdings Co., Ltd. (タキオニッシュホールディングス株式会社), and its representative director and president is Takeshi Kito (鬼頭 毅). Over the decades, Kaiyo Engineering built a portfolio spanning offshore and coastal marine surveys, marine consulting, and fisheries facility design. It operates company-owned survey vessels and equipment for precise seabed topographic and geological surveys, fishery resource quantity surveys, marine environmental surveys, and disaster-prevention-related surveys. Its coastal work analyzes the marine environment from geological, physical, chemical, and biological perspectives. Its consulting practice covers environmental impact assessment, marine environmental creation and improvement, water-area environmental conservation planning, environmental system development, information processing and analysis, and marine renewable energy. In fisheries facility design, the company has worked on fisheries experiment stations and sea-farming (stock enhancement) centers. A distinctive diversification is its environmental equipment business, which recycles and reuses expanded polystyrene through the "Styrol Post" and a foamed-plastic volume-reduction machine that the company says reduces styrofoam to roughly 1/100 of its volume. The company also lists ROV (remotely operated vehicle) capabilities and information on owned vessels and equipment. Kaiyo Engineering holds registrations as a construction consultant, a first-class architect office (Tokyo Metropolitan Governor registration), and a surveyor, and it has ISO 9001 certification. Its operational footprint includes the Tokyo head office, a Mie Center in Ise, a Kyushu office in Nagasaki, a Shizuoka sales office in Shimizu-ku, Shizuoka, an Okinawa sales office in Naha, and a Technical Center in Adachi-ku, Tokyo. It maintains partner companies in Thailand (S.D.A. Group Company Limited) and the Philippines (Bluenomads.org Philippines). Related companies include Coastal Marine Survey Co., Ltd. (沿岸海洋調査株式会社), Nihon Kaiyo Co., Ltd. (日本海洋株式会社), Techno Suruga Laboratory Co., Ltd. (株式会社テクノスルガ・ラボ), Sonic Co., Ltd. (株式会社ソニック), Abyssal Co., Ltd. (株式会社アビサル), O.K.E. Service Co., Ltd. (株式会社オー・ケー・イー・サービス), and Sanei Marine Co., Ltd. (サンエイ・マリン株式会社).
- 1969
Company established on 15 November 1969 (Showa 44).
Registered as a construction consultant, first-class architect office, and surveyor; obtained ISO 9001 certification.
Expanded operations with Mie Center, Kyushu office, Shizuoka sales office, Okinawa sales office, and Technical Center.
Products and positioning
Comprehensive consultant for water-area environments, combining marine survey, consulting, fisheries facility design, and environmental equipment.
Offshore marine surveys
Precise seabed topographic and geological surveys, fishery resource quantity surveys, marine environmental surveys, and disaster-prevention-related surveys using company-owned survey vessels.
Coastal marine surveys
Surveys of the coastal marine environment from geological, physical, chemical, and biological perspectives.
Marine consulting
Environmental impact assessment, marine environmental creation and improvement, water-area environmental conservation planning, environmental system development, information processing and analysis, and marine renewable energy.
Fisheries facility design
Fisheries promotion planning, fishing ground planning, and facility design, including fisheries experiment stations and sea-farming centers.
Environmental equipment
Styrol Post and foamed-plastic volume-reduction machine for expanded polystyrene recycling and reuse.
ROV services
Remotely operated vehicle capabilities for marine survey and inspection.
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