Development business
We want to provide next-generation nautical
‘safety and security’
‘safety and security’
The goal of KAGOO Co., Ltd. is to become a ship doctor. We are committed to developing systems that allow ship owners to operate their ships with peace of mind.

Development business Launch background
We predict ships’ conditions and abnormalities to carefully cater to the needs of potential customers.
We are committed to developing systems that “deliver new value to customers” by improving the efficiency of repair work and preventing problems from occurring.
We are committed to developing systems that “deliver new value to customers” by improving the efficiency of repair work and preventing problems from occurring.
Development Results
MAREWA SYSTEM
We received the NK Certification
In September 2024, the MAREWA-SYSTEM - Maritime Remote Watch System, received the NK Certification “Innovation Endorsement for Products & Solutions” from NIPPON KAIJI KYOKAI (ClassNK), a Japanese maritime association.
We ensure the security and safety of your ship from shore.
Prevents opportunity loss caused by aging hulls,
crew shortages, and inadequate technical skills.
crew shortages, and inadequate technical skills.
Promotional video
Product information Standard specifications
Standard specifications Overview
- Data logger
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1 unit
- Unit (8 items/unit)
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(8 x 8 = 64 sensors can be installed) 8 units (8 x 8 = 64 sensors can be installed)
- Main engine
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Exhaust temperature, Coolant temperature, Lubricant temperature, Coolant pressure, Lubricant pressure, Fuel pressure, Intake pressure, Tachometer, etc.32 items
- Auxiliary engine
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Exhaust temperature, Coolant temperature, Lubricant temperature, Coolant pressure, Lubricant pressure, Fuel pressure, Intake pressure, etc.(2 engines x 13 items = 26 items) 26 items (2 engines x 13 items = 26 items)
- Generator
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Wattmeter, Ammeter2 items
- Engine room thermometer
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1 unit
- Tablets
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For onboard monitoring2 unit
We offer customization in accordance with your ships and needs
For small ships
The standard specification has a large number of sensors.
Standard specification changes 63 sensors to 10 sensors, etc.
Wide variety of attachments for different applications
Freezer temperature sensor
Operating time display function for each engine
Digital engine log function
Constructing an onboard wi-fi environment
Installation flow [Cases] Standard specifications
①Meeting
We will have a meeting to discuss your requirements.
②In-person confirmation
We will visit the ship where the equipment will be installed and inspect the site.
③Deciding upon specifications
Specifications will be determined based on the meeting and on-site inspection.
④Design
Design will be carried out based on the specifications, and various equipment and materials will be procured.
Equipment and material delivery time: approximately 5 to 6 months.
Equipment and material delivery time: approximately 5 to 6 months.
⑤Installation work
Installation work will be carried out after a final meeting.
Estimated duration: About 1 week to 10 days for ships in the 400t to 1000t class.
Estimated duration: About 1 week to 10 days for ships in the 400t to 1000t class.
⑥Confirmation operation
After the installation is complete, a final test run will be conducted, followed by handover.
We can also install systems for equipment other than for ships
MAREWA-SYSTEM FAQs
What does the system monitor?
Sensors attached to the ship’s engines and auxiliary equipment digitally check operating values.
What are the advantages of the MAREWA-SYSTEM?
It allows collective management of machine information to be checked by each manufacturer.
How long does it take to install?
We estimate six months installation time for the standard specification. It may vary depending on the intended purpose.
MAREWA-SYSTEM 2.0
Debuts November 2025
“Algorithm optimization” of engine troubles
24-hour support
Even inexperienced ship crews can become aware of abnormalities
“Implement “3DCG” in engine rooms
Easy-to-understand display of suspected abnormalities
engine chart
Next generation ship management using engine chart data for ship maintenance
Early failure detection and rapid response to improve safety
We have participated in exhibitions in countries all over the world.



Please feel free to contact us.
For inquiries, please contact us at: For inquiries
For inquiries, please contact us at: For inquiries