IHI Corporation

IHI Corporation (株式会社IHI, Kabushiki-gaisha IHI), formerly known as Ishikawajima-Harima Heavy Industries Co., Ltd. (石川島播磨重工業株式会社, Ishikawajima Harima Jūkōgyō Kabushiki-gaisha), is a Japanese company which produces ships, aircraft engines, turbochargers for automobiles, industrial machines, power station boilers and other facilities, suspension bridges and other transport-related machinery.

IHI Corporation
Native name
Public KK
Traded asTYO: 7013
IndustryHeavy equipment
Founded5 December 1853 (1853-12-05)
FounderMito Domain 
HeadquartersToyosu IHI Building, Tokyo, Japan
Key people
Tamotsu Saito
Tsugio Mitsuoka
(President and CEO)
ProductsSpace Development
Jet engines
Industrial Machinery
Construction Machinery
Bridge & Steel Structures
Energy Systems
Revenue¥1486.33 billion (2016)[1]
¥47.39 billion (2016)[1]
¥5.25 billion (2016)[1]
Total assets¥1692.83 billion (2016)[1]
Total equity¥309.99 billion (2016)[1]
OwnerDKB Group
Number of employees
26,618 (2013)
ParentDai-ichi Life (3.49%)

IHI turbochargers, commonly used in passenger automobiles, are manufactured by Ishikawajima-Harima. Boeing and GE Aviation have subcontracted parts of several models of jet aircraft out to IHI. It is listed in Tokyo Stock Exchange section 1.


  • 1853 – establishment of Ishikawajima Shipyard
  • 1889 – incorporation of Ishikawajima Shipyard as Ishikawajima Shipbuilding & Engineering Co., Ltd.
  • 1907 – establishment of Harima Dock Co., Ltd.
  • 1929 – spinoff of Harima's automobile section as Ishikawajima Automotive Works (later Isuzu through a series of mergers)
  • 1960 – establishment of Ishikawajima-Harima Heavy Industries Co., Ltd. through a merger of Ishikawajima and Harima
  • 1995 - IHI and Sumitomo Heavy Industries merged a warship business and established Marine United Ltd. The Uraga Dock Company was the origin in the shipbuilding of Sumitomo Heavy Industries. It was made by Enomoto Takeaki. However, Sumitomo Heavy Industries moved Uraga Dock to Yokosuka in 2003. IHI moved a shipbuilding section to Marine United in 2002 and changed name to IHI Marine United Ltd. IHI Marine United became the subsidiary of IHI in 2006.
  • 2000 – purchased Nissan Motor’s Aerospace and Defense Divisions and established IHI Aerospace Co., Ltd.
  • 2007 – name changed to IHI Corporation
  • 2013 – Established Japan Marine United Corporation, merging its ship building unit, Marine United Inc., with Universal Shipbuilding Corp. of JFE Holdings after discussion started in April 2008[2]
  • 2018 - IHI stops manufacturing nuclear reactor parts to focus on aircraft parts. [3], leaving Japan Steel Works as the sole japanese supplier of reactor parts.


Energy and Resources

There are numerous business products, facilities and services delivered under the banner of Energy and Resources within the IHI Group.

Gas Turbines


  • LM 2500
  • LM6000

Aircraft engines


Space products


IHI Marine United Tokyo shipyard

Ships built at Tokyo:

IHI Marine United Yokohama shipyard

Ships built at Yokohama:

IHI Marine United Uraga shipyard

Ships built at Uraga:

IHI Amtec shipyard

Ships built at Aioi:



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