IHI Corporation

Japan


 
Total IP 3,373
Total IP incl. subs 3,740 (+ 432 for subs)
Total IP Rank # 347
IP Activity Score 3.8/5.0    1,350
IP Activity Rank # 537
IP AS incl. subs 3.5/5.0    1,516
Stock Symbol
ISIN JP3134800006
Market Cap. 414232916812.0  (JPY)
Industry Specialty Industrial Machinery
Sector Industrials
Dominant Nice Class Machines and machine tools

Patents

Trademarks

1,134 15
194 8
1,995 23
4
 
Last Patent 2025 - Radial foil bearing
First Patent 1991 - Method of manufacturing electrod...
Last Trademark 2024 - I-ITSUKA
First Trademark 1969 - IHI ISHIKAWAJIMA-HARIMA HEAVY IN...

Subsidiaries

17 subsidiaries with IP (374 patents, 58 trademarks)

6 subsidiaries without IP

 Register for free to unlock the subsidiary list

Industry (Nice Classification)

Latest Inventions, Goods, Services

2024 Invention Radial foil bearing. A radial foil bearing surrounds a rotation axis and supports the rotation a...
G/S Eddy current flaw detectors; eddy current flaw detectors used to test or inspect flaw on aircraft...
G/S Eddy current flaw detectors; eddy current flaw detectors for aircrafts and parts thereof; eddy c...
Invention Turbine and turbocharger. Provided is a turbine including: a housing including: an accommodating...
Invention Hydrogen production apparatus, power generation system, and steelmaking system. Provided is a hy...
Invention Power generation device. A power generation device includes: a power generator, a power conversi...
G/S Apparatus for collecting and measuring the data from welding operators at work, such as operator...
Invention Setting method of turning characteristics of automated vehicle driving system and automated vehic...
Invention Fuel supply system and fuel supply method for aircraft gas turbine engine. A fuel supply system ...
Invention Thrust foil bearing. A thrust foil bearing includes: a base plate including an insertion hole th...
Invention Compressor with curved passage. A compressor including an impeller housing accommodating a first...
Invention Refrigerant compressor with return opening. A refrigerant compressor includes a rotating body, a...
Invention Centrifugal compressor. A centrifugal compressor includes: an impeller; and a housing that accom...
Invention Method for covering fiber body. A method for covering a fiber body includes an impregnation cond...
Invention Electrode for discharge surface treatment and production method of the same. Discharge surface t...
Invention Stator. A stator includes: a stator core (11) including a back yoke (13) provided around an axis...
Invention Traveling-wave excitation device and traveling-wave excitation method. A traveling-wave excitati...
Invention Method for removing discharge surface treatment coating. Provided is a method for removing a dis...
Invention Combustor and gas turbine. A combustor includes: a plurality of burners supplied with ammonia an...
Invention Bus bar unit production method, bus bar, bus bar unit, and electric machine. Provided is a bus b...
Invention Ultrasonic diagnostic device. Provided is an ultrasound diagnostic device comprising: a sheet ma...
Invention Centrifugal compressor. This centrifugal compressor is provided with a rotary shaft, a compressor...
Invention Sound absorbing panel with riblet. This sound absorbing panel with a riblet is used by attaching ...
Invention Flare stack and system comprising same. A flare stack includes a main burner to which ammonia is...
Invention Organism adhesion suppression device and organism adhesion suppression method. This organism adhe...
Invention Combustion device and gas turbine system. A combustion device includes: a burner plate facing a ...
Invention Electric machine system and controller. An electric machine system includes an electric machine ...
Invention Injection nozzle and combustion device. An injection nozzle includes: an inner wall having a cyl...
Invention Anti-dust coating. A coating for protecting a ceramic-matrix composite against a high-temperatur...
Invention Combustion device and gas turbine system. A combustion device 10 comprises: a liner 13b that has ...
Invention Electric machine system and control device. An electric machine system according to one embodimen...
Invention Ammonia mixed-fuel combustion burner, and method for manufacturing ammonia mixed-fuel combustion ...
Invention Electrode for electrical discharge surface treatment and method for producing same. An electrode...
Invention Oil deflector and supercharger. An oil deflector 70 comprises: a cylindrical part 71; a first gui...
Invention Method for producing insulating electrodeposition coating material and insulating electrodepositi...
Invention Method for producing fiber-reinforced composite material. This method for producing a fiber-reinf...
Invention Rotary device. A rotary device C1 comprises: an impeller 9; a plurality of vanes 50 that are posi...
Invention Heat storage system, control device, and method for controlling heat storage equipment. A control...
Invention Impeller cover and balance adjusting device for impeller. The present invention provides an impel...
Invention Fuel preheater. A fuel preheater (10) includes: a first mixer (1) which is provided to a fuel sup...
Invention Electric supercharger. This electric supercharger includes: a motor part having an end bell for h...
Invention Catalyst structure, fixed-bed reactor, and method for manufacturing catalyst structure. 5223344 p...
Invention Method for providing balance correction condition, balance correction condition providing device,...
Invention Combustor. The present invention reduces unburned ammonia when ammonia is used as fuel. A combust...
G/S Turbochargers for automobiles; superchargers; turbochargers for machines; turbines, other than fo...
Invention Electric supercharger. This electric supercharger comprises: a compressor; and a motor unit that ...
Invention Rotation device. A rotation device T1 comprises: an impeller 3; a plurality of vanes V which are ...
Invention Gas sampling device and gas sampling method. A gas sampling device for sampling gas generated fro...
Invention Motor production method and motor. Provided is a motor production method including: an attachment...
Invention Quality assurance system and quality assurance method. This quality assurance system comprises: a...
Invention Motor rotor, electric motor, supercharger, and method for manufacturing motor rotor. This motor r...
2023 Invention Start end part, welding kit, and welding method. A start end part 50 comprises: a protrusion 51 w...
Invention Supercharger. A supercharger 100 comprises: a housing 3 including a space SP1 for accommodating a...
2022 Invention Metal recovery material, and method for recovering metal from solution including metal ion or met...
2021 G/S Measuring or testing machines and instruments; power distribution or control machines and appara...
G/S Petroleum, raw or refined; fuel; gear oils; engine oils; industrial oil; lubricating oil; indust...
G/S Carburetors; turbochargers for engines for automobiles; turbochargers for engines for land vehicl...
G/S Carburetors; turbochargers for engines for automobiles; turbochargers for engines for land vehic...
2020 G/S Catalysts for chemical and biochemical processes; chemicals for industrial purposes Industrial ch...
G/S Monitoring apparatus, other than for medical purposes; monitoring apparatus for thermal power pl...
G/S Turbochargers for automobiles; superchargers, namely, superchargers for land vehicles, supercharg...
G/S Turbochargers for automobiles; superchargers; turbochargers for machines; turbines, other than f...
G/S Sensors [measurement apparatus], other than for medical use; laser sensors; motion recognizing s...
2019 G/S Turbochargers; Turbochargers for machines; Turbochargers as parts for internal combustion engines...
2017 G/S Inspection of gas turbines prior to maintenance or repair; maintenance or repair of gas turbines...
2016 G/S Ultrasonic thickness gauges; ultrasonic flaw detectors
G/S Ultrasonic thickness gauges; measuring or testing machines and instruments; ultrasonic flaw dete...
2015 G/S Turbochargers for the internal combustion engines. Providing information concerning the sales of ...
G/S Electrodes, other than for welding machines and medical use.
2014 G/S Providing information on location of vessels on the sea via telecommunication using the Automatic...
G/S Providing information on location of vessels on the sea via telecommunication; providing navigat...
G/S Providing information on location of vessels on the sea via telecommunication networks; providing...
G/S Electronic machines, apparatus and their parts; telecommunication machines and apparatus.
2013 G/S Metal materials for building or construction; watergates of metal. Measuring or testing machines...
G/S Battery chargers for the electric vehicles. Battery charging for the electric vehicles.
2012 G/S Precise oil dispensers for oil hydraulic machines, namely lubricating systems consisting of autom...
2011 G/S Penstocks of metal; seismic isolation floors of metal. Repair or maintenance services of power ge...
2010 G/S Industrial furnaces.
G/S Industrial furnaces
G/S Sterilizers using ozone and ultraviolet rays for commercial use.
2009 G/S Excavators. Crawler carriers. Track loaders. Deck cranes. Hydraulic pumps and hydraulic motors.
2008 G/S Machines and machine tools; motors and engines (except for land vehicles); machine coupling and t...
2007 G/S Turbochargers for automobiles
G/S Turbochargers for automobiles.
G/S Construction machines and apparatus, namely power shovels. Metal forming equipment, namely rollin...
G/S [ Metalworking machines and tools, namely, sizing presses for the production of variably sized st...
G/S Boarding bridges, reservoirs of metal, liquefied gas storage tanks of metal, iron and steel memb...
G/S [ Reservoirs of metal, ] liquefied gas storage tanks of metal, iron and steel members for bridges...
2006 G/S metalworking services, namely, metal plating, metal cladding, metal surface treating, namely, met...
G/S Metalwork, ceramic processing, processing of artificial limbs or artificial teeth, rental of met...
G/S Agricultural machines and mechanical implements, namely, [ mowers, hay tedders, ] rakes, round ba...
2004 G/S [ Diesel engines not for land vehicles, ] separating machines, [ reduction gears for machines, sp...
2003 G/S Machines for cutting, cleaning, abrading, eroding and drilling utilizing liquified nitrogen
G/S Tower parkings, turntables of metal, pallets of metal. Metalworking machines and tools, rolling m...
1997 G/S advanced inspection systems for reactor pressure vessels and internals, namely, ultrasonic probes...
G/S Advanced inspection system for RPV and internals namely, probes using the ultrasonic waves ellips...
1969 G/S Flood gates, steel bridges. Boring machines, shield tunneling machines, pile driving machines and...