Mitsubishi Shipbuilding

Mitsubishi Shipbuilding Co., Ltd. is a Japanese shipbuilding and marine-engineering company within the Mitsubishi Heavy Industries Group. The present company was established on January 1, 2018, when Mitsubishi Heavy Industries’ shipbuilding and ocean business was transferred to a newly formed subsidiary, MHI Shipbuilding, which then adopted the Mitsubishi Shipbuilding name. The company carries forward a much longer shipbuilding tradition within Mitsubishi Heavy Industries, which its president describes as originating in 1884; this heritage should be distinguished from the founding date of the current legal entity. The company describes its remit broadly: it works across maritime needs through shipbuilding, related technologies, and marine engineering drawing on the wider Mitsubishi Heavy Industries group’s capabilities. Its stated ship-related work includes engineering and the design, manufacture, and repair of ferries, passenger-cargo ships, roll-on/roll-off vessels, special-purpose vessels, and patrol vessels. The company also develops and provides marine equipment, systems, engineering, and services. Its product portfolio includes LNG fuel gas supply systems, ammonia fuel-handling systems, SOx scrubbers, ship-design and engineering offerings, shipboard systems, and tablet-based operational support. Mitsubishi Shipbuilding presents itself as a technical partner to customers and other businesses in the maritime sector. Its stated priorities include safety, dependable quality, timely response, and solving maritime challenges through collaboration. The company highlights experience with LNG carriers and the development of environmental technologies related to LNG, ammonia, and liquefied CO₂. It also offers energy-saving ship-design licensing, energy-saving devices, engineering support, and marine environmental solutions. The company is headquartered in Minato, Tokyo, and is wholly owned by Mitsubishi Heavy Industries. Its operating footprint and business history are connected to Mitsubishi Heavy Industries shipbuilding facilities, including those in Yokohama, Nagasaki, Kobe, and Shimonoseki. Mitsubishi Shipbuilding states that it serves domestic and international maritime industries. The current company is active, and its website publishes corporate, product, and news information.

Mitsubishi Shipbuilding’s current corporate identity is the latest stage in a much longer Mitsubishi shipbuilding history. The company’s corporate information page says that its shipbuilding history within Mitsubishi Heavy Industries has its origins in 1884. The Japanese-language Wikipedia history records an earlier institutional chronology that includes the opening of Mitsubishi’s Kobe Shipyard in 1905, the establishment of the first Mitsubishi Shipbuilding corporation in 1917, and its renaming as Mitsubishi Heavy Industries in 1934. Those historical entities are predecessors in the wider industrial lineage, not the present-day corporation. In 1952, Mitsubishi Heavy Industries was divided into three companies: Mitsubishi Shipbuilding, Mitsubishi Nippon Heavy Industries, and Shin Mitsubishi Heavy Industries. The three companies merged again in 1964 to form Mitsubishi Heavy Industries. These dates describe earlier corporate reorganizations and explain why the Mitsubishi Shipbuilding name has a history predating the current company, but the present legal entity is a later successor rather than an uninterrupted continuation of the earlier corporations. The immediate establishment of the current company began with Mitsubishi Heavy Industries’ preparations to transfer its shipbuilding business. On September 1, 2017, Mitsubishi Heavy Industries established a wholly owned subsidiary called MHI Shipbuilding as a company preparing for the business transfer. On November 2, 2017, Mitsubishi Heavy Industries announced an agreement to transfer its shipbuilding and ocean business to MHI Shipbuilding by company split. On January 1, 2018, MHI Shipbuilding took over the relevant business and changed its corporate name to Mitsubishi Shipbuilding Co., Ltd. The official company profile describes the transfer as succession of the shipbuilding business from Mitsubishi Heavy Industries and gives that date as the present company’s establishment date. The new company inherited shipbuilding operations and related activities, including marine engineering and services. The Japanese-language Wikipedia account says that the transfer also included the marine steel-structure business of Mitsubishi Heavy Industries Ship & Ocean Engineering, a subsidiary formerly under Mitsubishi Heavy Industries’ shipbuilding and ocean division. It records that facilities associated with Mitsubishi Heavy Industries shipbuilding in Yokohama, Nagasaki, Kobe, and Shimonoseki became part of Mitsubishi Shipbuilding’s operating bases, while also noting that those sites continued to serve as Mitsubishi Heavy Industries manufacturing locations for activities beyond shipbuilding. Since its establishment, Mitsubishi Shipbuilding has described its work as extending beyond conventional ship construction. Its corporate statement presents a remit spanning maritime matters, combining shipbuilding with related technologies and marine engineering that draws on Mitsubishi Heavy Industries group capabilities. The company says it has worked on a broad range of vessels and maritime products and has contributed to the development of maritime industries through technical expertise and involvement with maritime laws, rules, and standards. The current business description includes ship engineering and the design, construction, and repair of ferries, passenger-cargo ships, roll-on/roll-off ships, special-purpose vessels, and patrol vessels. The company’s publicly described product and engineering portfolio includes LNG fuel gas supply systems, ammonia fuel-handling systems, SOx scrubbers, shipbuilding engineering, shipboard systems, and operational-support services. Mitsubishi Shipbuilding highlights experience in both MOSS-type and membrane-type LNG carrier design and construction, and describes LNG fuel supply systems for dual-fuel generator engines as an area of in-house development. Its stated technology interests also include LNG, ammonia, and liquefied CO₂, as well as energy-saving ship forms and devices. Its corporate vision emphasizes responding to maritime needs, taking on new challenges, creating value, and working with business partners; its stated values include safety, dependable quality, and timely response. A later corporate-location change was recorded on July 18, 2024, when the company moved its headquarters from Nishi-ku, Yokohama, to Tamachi Tower in Minato, Tokyo. The official company profile lists its head-office address in Minato-ku. The company remains wholly owned by Mitsubishi Heavy Industries and presents itself as serving maritime industries in Japan and internationally.

• Stated origin of Mitsubishi Heavy Industries’ shipbuilding history

• Mitsubishi opened the Kobe Shipyard

• First Mitsubishi Shipbuilding corporation established

• Mitsubishi Shipbuilding changed its name to Mitsubishi Heavy Industries

• Mitsubishi Heavy Industries divided into three companies, including Mitsubishi Shipbuilding

• The three companies merged again as Mitsubishi Heavy Industries

• MHI Shipbuilding established as a wholly owned transfer-preparation subsidiary

• Mitsubishi Heavy Industries announced the shipbuilding and ocean business transfer agreement

• MHI Shipbuilding took over the business and became Mitsubishi Shipbuilding Co., Ltd.

• Headquarters moved from Yokohama to Tamachi Tower in Minato, Tokyo

A Mitsubishi Heavy Industries group maritime-engineering and shipbuilding company that combines vessel design and construction expertise with marine systems, environmental technologies, and partner-oriented engineering services.

• LNG FGSS

  An LNG fuel gas supply system drawing on the company’s LNG carrier design and construction experience.

• MAmmoSS®

  An ammonia fuel-handling system listed in the company’s product portfolio.

• DIA-SOx

  A marine SOx scrubber listed in the company’s product portfolio.

• MATES

  A shipboard 3D system listed in the company’s product portfolio.

• Navin

  A tablet-based ship operation support system.

• Shipbuilding engineering

  Engineering for shipbuilding and related maritime needs.

1. 1三菱造船株式会社mhi.com
2. 2企業情報 | 三菱造船株式会社mhi.com
3. 3製品情報 | 三菱造船株式会社mhi.com
4. 4LNG燃料ガス供給システム（LNG FGSS） | 三菱重工mhi.com
5. 5Mitsubishi Shipbuildingwikidata.org
6. 6三菱造船ja.wikipedia.org