ClassNK

institutionJapan 3 mentions

Classification society for maritime vessels

Read the full profile on ClassNK

Subscribers get an in-depth intelligence profile — leadership, scale, partners, regulatory context, and the latest milestones.

Subscribe to read more →

Often mentioned with · Technologies

Hydrogen-ready Electric Propulsion

A ship designed with electric engines and batteries for immediate use, and the capability to retrofit or install hydrogen fuel tanks for future operation with hydrogen as the primary energy source.

BEH₂YDRO high-output hydrogen dual-fuel internal combustion engine

A marine engine capable of running on hydrogen blended with conventional fuel, developed for high power output and reliability in tugboat operations.

Lithium-ion battery

A hybrid lithium-ion battery buffer is used to smooth power fluctuations and handle peak loads in conjunction with the hydrogen fuel cell.

Subscribe to access the full technologies catalog

Often mentioned with · Locations

Nagasaki Prefecture

Nagasaki Prefecture

Not specified (operational in Japanese ports, likely starting with major hubs like Yokohama, Tokyo, or Kobe)

Not specified (operational in Japanese ports, likely starting with major hubs like Yokohama, Tokyo, or Kobe)

Often mentioned with · Projects

Maritime Hydrogen Fuel Cell System (300 kW)

Development and commercialization of a 300 kW hydrogen fuel cell system for maritime vessel propulsion and power generation, featuring modular architecture and integrated auxiliary components.

operational 1 mention

Hydrogen-fueled 4-stroke high-speed engine for coastal ships

Development of a hydrogen-fueled internal combustion engine for power generation on coastal ships in Japan, designed to achieve zero-emission maritime operations.

under construction 1 mention

Often mentioned with · Facilities

Often mentioned with · Products

Maritime Hydrogen Fuel Cell System (300 kW)

A 300 kilowatt hydrogen fuel cell system designed for maritime vessel installation, featuring integrated gas valve units, modular architecture allowing parallel connection of multiple units, and flexible scaling to match various ship power output requirements.

Often mentioned with · People

Japan 1 mention

Often mentioned with · Research studies

Zero-emission ship demonstration experiment

In the news (3)

Hydrogen-ready Oil Tanker Kikou Mariner: A Game-Changer for Zero-Emission Shipping

8 months 7 days ago

ClassNK is a major ship classification society founded in 1899, specializing in verification and certification of ships' safety, innovation, and environmental performance. ClassNK developed the decarbonization evaluation criteria for the Zero-Emission Accelerating Ship Finance Program[1][3][5].

Hydrogen-Powered Tugboat Delivered TEN-OH Leads Japan’s Maritime Decarbonization

8 months 15 days ago

Official body that certifies ship safety and environmental standards. Added TEN-OH to its register, signaling compliance with international safety regulations for hydrogen-fueled vessels.

Yanmar’s hydrogen fuel cell maritime tech gets green lighted by ClassNK

2 years 5 months ago

Classification society that reviewed and granted Approval in Principle (AiP) certification for Yanmar's maritime hydrogen fuel cell system based on comprehensive guidelines and risk assessment.

Get the H2 Markets Brief

what 120,000+ hydrogen industry pros read every Monday.

Get the H2 Markets Brief

what 120,000+ hydrogen industry pros read every Monday.