IHI Corporation

2007 – name changed to IHI Corporation.

2008 – Hauzer Techno Coating joins IHI Corporation as PVD coating machine manufacturer

2012 – IHI Corporation acquires Ionbond, provider of innovative coating services

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

2016 – sold all shares of wholly owned IHI Construction Machinery Limited to Kato Works Company Limited.

2018 – IHI halts manufacturing nuclear reactor parts to focus on aircraft parts, leaving Japan Steel Works as the sole Japanese supplier of reactor parts.

2024 – Subsequent to the February report of a company whistleblower; on April 24, IHI Corp. announced that its subsidiary, IHI Power Systems Co., had been falsifying fuel consumption and efficiency data of engines used in ships and trains since 2003, affecting 4,361 engines. Investigation by the Ministry of Land, Infrastructure, Transport and Tourism ensued.

LM6000

Aircraft engines

IHI develops, manufactures, and maintains aero engines, either by joint projects of which partners include GE Aviation, Pratt & Whitney, and Rolls-Royce Holdings, or the company itself.

In-house development

Ishikawajima Ne-20

Ishikawajima-Harima J3

Ishikawajima-Harima F3

Ishikawajima-Harima XF5

IHI Corporation F7, F7-10

IHI Corporation XF9

Joint development

IAE V2500

General Electric GEnx

General Electric GE90

General Electric CF34

Pratt & Whitney PW1100G-JM

Licensed production

General Electric T700

General Electric F110

Parts manufacturing

Rolls-Royce Trent

Space products

S-type Sounding Rocket (S-210, S-310, S-520, SS-520)

M-V Launch Vehicle

GX Launch Vehicle (Partner in Galaxy Express Corporation)

Epsilon Launch Vehicle

SRB-A solid rocket booster for H-IIA/H-IIB Launch Vehicle

BT-4 liquid-fuelled apogee motor (used in the Cygnus vehicle which are launched on Atlas V and Antares rockets)

Ships

Shipbuilding was the founding activity of Ishikawajima in 1853. It remains part of IHI's business activities, although it has been diluted through several mergers with other Japanese shipbuilding companies.

In 1960, Ishikawajima Heavy Industries merged with Harima Shipbuilding & Engineering Company to establish the Ishikawajima-Harima Heavy Industries (IHI). IHI built Mutsu, Japan's first nuclear powered ship with reactors from Mitsubishi Heavy Industries in 1969.

In 1995, Marine United was established jointly with Sumitomo Heavy Industries.

In 2013, IHI Marine United was merged with Universal Shipbuilding Corporation owned by the steel company JFE Holdings in order to newly establish a larger firm, Japan Marine United Corporation (JMU), of which IHI remained a shareholder.

In March 2020, Japan Marine United (with 49% of shares) agreed to merge with Imabari Shipbuilding (with 51% of shares) into a joint venture named Nihon Shipyard (NSY), covering all ship types except Liquefied natural gas (LNG) tankers. This agreement became effective in January 2021.

In parallel with the creation of Nihon Shipyard, Imabari Shipbuilding bought 30% of JMU's shares, while IHI and JFE Holdings each kept 35% of JMU's capital.

The merger between these two Japanese companies resulted in Nihon Shipyard becoming one of the largest marine-engineering and shipbuilding companies in the world, of which IHI remains a shareholder.

IHI Marine United Tokyo shipyard

Ships built at Tokyo:

Mutsu, Japan's first nuclear powered vessel

Murasame (DD-101), Murasame-class destroyer

Samidare (DD-106), Murasame class

Akebono (DD-108), Murasame class

Hiei (DDH-142), Haruna-class destroyer

Tokiwa (AOE-423), Towada-class replenishment ship

Asagiri (DD-151), Asagiri-class destroyer

Amagiri (DD-154), Asagiri class

Umigiri (DD-158), Asagiri class

Sawayuki (DD-125), Hatsuyuki-class destroyer

Isoyuki (DD-127), Hatsuyuki class

Matsuyuki (DD-130), Hatsuyuki class

Shirane (DDH-143), Shirane-class destroyer

Kurama (DDH-144), Shirane class

Chōkai (DDG-176), Kongō-class destroyer

IHI Marine United Yokohama shipyard

Ships built at Yokohama:

Makinami (DD-112), Takanami-class destroyer

Suzunami (DD-114), Takanami class

Hyūga (DDH-181), Hyūga-class helicopter destroyer

Ise (DDH-182), Hyūga class

Izumo (DDH-183), Izumo-class helicopter destroyer

Kaga (DDH-184), Izumo class

Globtik Tokyo, Globtik Tokyo-class

Globtik London, Globtik Tokyo-class

Nissei Maru, Globtik Tokyo-class

Tokyo Maru, Tokyo Maru-class

IHI Marine United Uraga shipyard

Ships built at Uraga:

Takanami (DD-110), Takanami-class destroyer

Yūdachi (DD-103), Murasame-class destroyer

Tenryū (ATS-4203), a training support vessel

Asuka (ASE-6102), a test ship

IHI Amtec shipyard

Ships built at Aioi:

SSTH Ocean Arrow, a civilian ship

Steel structures

IHI Infrastructure Systems Co., Ltd., an IHI company, designs and constructs steel frame structures, bridges, and watergates.

Bridges

Akashi-Kaikyo Bridge (Hyogo, Japan)

Tatara Bridge (Hiroshima, Japan)

Tokyo Bay Aqua-Line (Tokyo and Chiba, Japan)

Second Bosporus Bridge (Istanbul, Turkey)

Binh Bridge (Hanoi, Vietnam)

Carquinez Bridge (California, U.S.A)

Strait of Messina Bridge (Messina, Italy, Design phase completed)

Osman Gazi Bridge (Turkey)

Auckland Harbour Bridge lane clip-on expansions (New Zealand)

Braila Bridge (Braila, Romania)