Profile
Company name
Nippon Kaiyo Co., Ltd.
Representative
Tatsuo Yamashita, President
Sales
1,571 million yen (As of March 2023)
Number of Employees
33 (As of March 2023)
Offices
Head Office
5-13-4, Towa, Adachi-ku, Tokyo, 120-0003 Japan
Kure Branch Office
4-3-12, Sanjo, Kure-shi, Hiroshima, 737-0821 Japan
Service
Sales and maintenance of measurement equipment for marine environment.
Design and assembly of diving- related products.
Drone-related business.
Marine equipment system business.
Banks
MUFG Bank, Ltd.
Mizuho Bank, Ltd.
History
1960
Established Honchigo Co., Ltd.
1995
Company name changed to Nippon Kaiyo Co., Ltd.
Started Business of equipment related to diving and ocean surveillance
1999
Kure Branch Office started
2000
Merged to Asahi Senken Co., Ltd.
Started business related to environmental surveillance
2012
Transferred the business related to environmental surveillance and recycling equipment to Kaiyo Engineering Co., Ltd.
2016
Moved to the Head Office
Started drone related business
2023
Started business of marine equipment system
Main Customer
Government Agencies
Japan Ministry of Defense
Japan Maritime Self‐Defense Force
Japan Ground Self-Defense Force
Japan Air Self-Defense Force
Japan Coast Guard
Japan Fisheries Research and Education Agency
Japan Agency for Marine-earth Science and Technology
Universities
Private Company
Mitsubishi Heavy Industries, Ltd.
Mitsui Engineering & Shipbuilding Co., Ltd.
Japan Marine United Corporation
Kawasaki Heavy Industries, Ltd.
PENTA-OCEAN CONSTRUCTION CO., LTD.
TOYO CONSTRUCTION CO., LTD.
