NTN Corporation

Japan


Create a watch for NTN Corporation
Total IP 4,969
Total IP incl. subs 5,060 (+ 93 for subs)
Total IP Rank # 228
IP Activity Score 3.8/5.0    1,350
IP Activity Rank # 527
IP AS incl. subs 3.5/5.0    1,384
Stock Symbol
ISIN JP3165600002
Market Cap. 120336757102.0  (JPY)
Industry Tools & Accessories
Sector Industrials
Dominant Nice Class Machines and machine tools

Patents

Trademarks

1,217 14
9 8
3,698 11
12
 
Last Patent 2025 - Rolling bearing
First Patent 1988 - Clutch
Last Trademark 2024 - NTN GUARDIAN
First Trademark 1960 - NTN

Subsidiaries

2 subsidiaries with IP (80 patents, 13 trademarks)

2 subsidiaries without IP

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Industry (Nice Classification)

Latest Inventions, Goods, Services

2025 Invention Parallel link mechanism and link operation device. In a parallel link mechanism, a distal end si...
Invention Ball bearing. A deep groove ball bearing includes: an inner ring; an outer ring; balls interpose...
Invention Gripping device. This gripping device (1) comprises: a gripping claw unit (3); a gripping mechani...
Invention Rolling bearing and rolling component for rolling bearing. A rolling component which comprises a ...
Invention Silicon nitride sintered body, machine component, and bearing. maxmax of snowflakes that are pres...
Invention Rolling bearing. 122 offset 110°–160° and 290°–340° to the one side in the circumferential direct...
Invention Reverse input blocking clutch. This reverse input blocking clutch has an input member to which to...
Invention Spindle device, grinding device, and cutting machining device. This spindle device is provided to...
Invention Method for evaluating electrolytic corrosion resistance of rolling bearing. The method of the pre...
Invention Tapered roller bearing. A tapered roller bearing comprises inner and outer rings, tapered rollers...
Invention Ball screw device. A ball screw device 1 is provided with: a ball screw 10 having a screw shaft 1...
Invention Quenching method. In the present invention, in a heating process for induction heating an annular...
Invention Damage condition diagnosing system and damage condition diagnosing method. A sensor (20) detects ...
Invention Bearing device. In order to provide a bearing device that reduces deformation of a bearing ring a...
Invention Bearing device and abnormality detection system. Provided is a bearing device that is capable of ...
Invention Data gathering apparatus and data gathering system. Provided is a data gathering apparatus that m...
Invention Rolling bearing. Provided is a rolling bearing capable of suppressing ridge marks due to electrol...
Invention Link actuation device. A control device (70) of a link actuation device (7) comprises a posture c...
Invention Rolling bearing. In order to provide a rolling bearing that is suitable for an electric axle unit...
Invention Rotation transmission device. This rotation transmission device comprises: a non-separation type ...
Invention Bearing device. A bearing device (10) comprises: a housing (25) that accommodates a main shaft (4...
Invention Bearing device and spacer. In order to prevent deterioration of wireless communication performanc...
Invention Bearing device with strain sensor, outer ring spacer with strain sensor, and spindle device for m...
Invention Outer joint member for constant velocity universal joint. An outer joint member 11 includes a cup...
Invention Shell type needle roller bearing. Provided is a shell type needle roller bearing having rocking d...
Invention Work device. A work device (1) comprises: a linear motion mechanism unit (60) which has a linear ...
Invention Rotation transmission device. A rolling bearing (3) is disposed between an inner ring (1) and an ...
Invention Rolling bearing and bearing device. In the present invention, a sensor mounting member (11) is pr...
Invention Rolling bearing and slinger member. A rolling bearing with a bearing space (3) of which one side ...
Invention Tapered roller bearing. A tapered roller bearing of an inner ring guide form according to the pr...
Invention Electrolytic corrosion prevention rolling bearing. This electrolytic corrosion prevention rolling...
Invention Method and device for sorting and collecting sample. This method comprises cutting off a part of ...
Invention Constant velocity universal joint with boot. The present invention comprises: an outer joint memb...
Invention Boot for constant velocity joint. Provided is a boot 30 for a constant velocity joint in which a ...
Invention Diagnostic device and diagnostic method. A diagnostic device (100) diagnoses a wind-powered elect...
Invention Diagnosis device and diagnosis method. In the present invention, a calculation device (102): iden...
Invention Sintered bearing. A lubricating oil is contained in a cylindrical sintered body obtained by sinte...
Invention Fixed constant-velocity universal joint. BALLBALLBALLBALLBALLOPENBACKOPENBACKBACK at the other en...
Invention Sintered bearing. Provided is a sintered bearing that is provided with bearing surface parts at t...
Invention Fixed-type constant-velocity universal joint. BALLBALLBALLBALLINLETBALLINLETBALLBALL of each of t...
Invention Fixed type constant velocity universal joint. A diameter E of a cylindrical surface 5d of a cage ...
Invention Fixed constant-velocity universal joint. BALLBALLBALLBALLBALLBALLBALL of the balls 4 is set to 0....
2024 Invention Gripping device. A gripping device (6) according to the present disclosure comprises: a plurality...
G/S Physical analyzing apparatus, namely, vibration, temperature, ultrasound, proximity, magnetic flu...
2023 Invention Rolling bearing. Provided is a rolling bearing (1) in which, when an area enclosed by a line con...
Invention Controller, management system, and management method. A detection unit acquires detection data o...
Invention Fluid dynamic pressure bearing lubricant oil composition, fluid dynamic pressure bearing, and flu...
Invention Grease composition for constant-velocity joint and constant-velocity joint filled therewith. A g...
Invention Sealing resin composition and seal. To provide a sealing resin composition and a seal that are c...
2022 Invention Piston ring. To provide a piston ring that has low content of a sulfur atom, eliminates the need...
Invention Sealed rolling bearing. To provide a sealed rolling bearing that is capable of achieving both of...
2021 G/S Bearings with built-in sensors, being parts of machines not for land vehicles; bearings, being pa...
G/S Bearings with built-in sensors, machine elements not for land vehicles; bearings, machine elemen...
G/S Axles for machines; spindles being parts of machines; shaft couplings, axles and spindles for mac...
G/S Shafts, axles or spindles, machine elements other than land vehicles; bearings, machine elements...
G/S Shafts, axles or spindles being parts of machines; shaft couplings for machines; transmissions an...
2018 G/S [ Slide bearings as parts of machines; ] bearings with sensor as parts of machines; [ hub bearing...
G/S Axle bearings; slide bearings; bearings with sensor; hub bearings; bearings, as machine elements...
2017 G/S shafts, axles or spindles being parts of machines; shaft couplings for machines; transmissions an...
G/S Hub bearings being parts of machines; bearings being parts of machines; shafts, axles or spindles...
G/S Computer application software, namely, software for scanning or reading barcodes, quick response ...
G/S Application software; computer software applications, downloadable; computer programs and softwa...
2015 G/S Rocker arms for land vehicles; ball screws for land vehicles. Bearings for land vehicles; axle be...
2013 G/S Vehicle axles coupled with hub bearings; Vehicle axles having junctions with hub bearings; Axle...
G/S Remote monitoring and alerting apparatus for wind-powered electricity generators via communicatio...
2011 G/S [ Conveyors being machines; loading and unloading machines; resonance type vibration conveyors; m...
G/S Conveyors, as machines; loading-unloading machines and apparatus; resonance type vibration conve...
G/S Machine parts, namely, bearings
2010 G/S Machines and machine tools, component parts of these machines, especially ball-bearings, roller ...
2008 G/S Ball bearings for ships and planes; roller bearings for ships and planes; ball bearings other tha...
2007 G/S Ball bearings for ships and planes, roller bearings for ships and planes, ball bearings other tha...
G/S Ball bearings for ships or planes, roller bearings for ships or planes, ball bearings other than...
2004 G/S Bearings, being parts of machines; mechanical shafts and joints, couplings and parts thereof (exc...
G/S Hub bearings; shaft couplings; wheel bearings; bearings for land vehicle.
G/S Bearings for ships or planes; bearings other than for land vehicles; universal joints other than...
2003 G/S Bearings other than for land vehicles, motors other than for land vehicles and electric generator...
G/S Machine parts namely bearings, motors for machines, electric generators Wheel and axle bearings, ...
G/S [ METAL WORKING MACHINES NAMELY, LATHES, MILLING MACHINES, GRINDING MACHINES FOR MANUFACTURING BE...
G/S Metalworking machines and tools; bearings.
1999 G/S Tapered roller bearings and other bearings; shafts; shaft joints and couplings; their parts (exce...
1992 G/S Semi-processed plastic substances in the form of films, tapes, sheets, rods, pipes and boards.
1990 G/S Machine tools, bearing units for wheels, bearings including bearings for wheels, joints, coupling...
1988 G/S CONSTANT VELOCITY JOINTS FOR USE IN MACHINES CONSTANT VELOCITY JOINTS FOR USE IN VEHICLES
1985 G/S BEARINGS
1968 G/S Roulements à billes et à galets, billes, galets de toute forme, butées à billes et à galets, cam...
1960 G/S Bearings.
G/S Ball and Roller Bearings