NTN Corporation

Japan


 
Total IP 5,011
Total IP incl. subs 5,113 (+ 104 for subs)
Total IP Rank # 205
IP Activity Score 3.8/5.0    1,711
IP Activity Rank # 415
IP AS incl. subs 3.5/5.0    1,764
Stock Symbol
ISIN JP3165600002
Market Cap. 120336757102.0  (JPY)
Industry Tools & Accessories
Sector Industrials
Dominant Nice Class Machines and machine tools

Patents

Trademarks

1,223 16
9 8
3,729 13
13
 
Last Patent 2024 - Automatic ball incorporation met...
First Patent 1988 - Clutch
Last Trademark 2024 - GUARDIAN AN NTN MONITORING SOLUTION
First Trademark 1960 - NTN

Subsidiaries

2 subsidiaries with IP (80 patents, 24 trademarks)

2 subsidiaries without IP

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Industry (Nice Classification)

Latest Inventions, Goods, Services

2024 G/S Physical analyzing apparatus, namely, vibration, temperature, ultrasound, proximity, magnetic flu...
2023 Invention Ball bearing. Provided is a ball bearing that is capable of reducing an interference force betwee...
Invention Retainer, retainer-equipped needle roller employing said retainer, and bearing device. A retainer...
Invention Automatic ball incorporation method for constant-velocity universal joint. Provided is an automat...
Invention Tapered roller bearing. Provided is a tapered roller bearing with which it is possible to remove ...
Invention Tapered roller bearing. A tapered roller bearing (1) includes an inner wheel and an outer wheel (...
Invention Tapered roller bearing. A holder segment (20) of a tapered roller bearing comprises: a plurality ...
Invention Rolling bearing. The rolling bearing (1) according to the present invention is interposed between...
Invention Bearing device with sensor, and spindle device for machine tool. In this bearing device with a se...
Invention Roller bearing. 1222.
Invention Roller bearing. A segment 10 is an injection molded product of a resin material that integrally c...
Invention Bearing device. This bearing device (1) is configured such that: a cylindrical inter-outer ring-s...
Invention Constant-velocity universal joint assembling device and assembling method. This assembling device...
Invention Rolling bearing device. Provided is a rolling bearing device with which it is possible to ensure ...
Invention Electric fluid pump. An electric oil pump (electric fluid pump) 1 comprises: a motor unit 2; a pu...
Invention Production method for nut used in ball screw and ironing method. A production method for a nut 5 ...
Invention Bearing device and spindle device with bearing device. This bearing device comprises a first bear...
Invention Rolling bearing. In this rolling bearing, a plurality of balls interposed between an inner and an...
Invention Insulated rolling bearing. Provided is an insulated rolling bearing having an insulating coating ...
Invention Powder magnetic core. This powder magnetic core is composed of: soft magnetic particles; and an i...
Invention Rolling bearing. 101010(d·p)+C holds, and the relationships 0.4≤A≤0.6 and -2≤C≤0 are satisfied.
Invention Solid-lubricated rolling bearing. A solid-lubricated rolling bearing (1) comprises an outer race ...
Invention Ball screw device and linear movement mechanism. Provided is a ball screw device comprising: a ba...
Invention Mechanical component, rolling bearing, and ball screw. This mechanical component is made of steel...
Invention Bearing device, and mechanical device. A bearing device (1) comprises a bearing (2) and an accele...
Invention Grease composition, rolling bearing, and lubrication method. Provided are: a grease composition t...
Invention Ball bearing. Provided is a ball bearing that has excellent low torque performance without using ...
Invention Bearing with sensor. The objective of the present invention is to make it possible to avoid contr...
Invention Rotary support device. A claw pole electricity generator (4) includes a stator (10) provided in a...
Invention Bearing sealing device and vehicular bearing device. Provided are a bearing sealing device and a ...
Invention Cell tissue production method, coating method and coating device. 1n2mn,m1n2mn,m2m1nn,m2m1n1n.
Invention Wheel bearing device. A wheel bearing device 1 comprises: an outer wheel 2 (external member); a h...
Invention Bearing device. This bearing device comprises a bearing and a sensor unit (6). The sensor unit (6...
Invention Hydrodynamic bearing, hydrodynamic bearing device, and motor. A hydrodynamic bearing (bearing sle...
Invention Power supply device and bearing device. A power supply device (17) comprises a first circuit (61)...
2022 Invention Rolling bearing. A rolling bearing includes a plurality of balls and two raceway members. The ba...
Invention Bearing device and electric vertical take-off and landing aircraft. A first seal and a second se...
Invention Wheel bearing device. An outer joint member and a hub wheel are coupled to be able to transmit t...
Invention Wheel bearing device. An outer joint member 31 and a hub wheel 16 are coupled so as to be able t...
Invention Tripod type constant velocity universal joint. In a tripod type constant velocity universal join...
Invention Wheel bearing device. In a wheel bearing device, an axial end surface of a hub 1 of a wheel bear...
Invention Power generation system. A power generation system includes a rotating body, a generator, a brak...
Invention Windmill and wind power generation apparatus. A windmill includes a shaft, a blade, and a suppor...
Invention Method for fixing boot to constant velocity universal joint. fitting a boot 20 to an outer perip...
Invention Cage and ball bearing. A cage is provided which is less likely to be deformed by a centrifugal f...
Invention Piston ring. To provide a piston ring having superior wear resistance and causing less wear dama...
Invention Oil-impregnated sintered bearing and fluid dynamic bearing device provided with the bearing. An ...
Invention Vibration analysis apparatus and vibration analysis system. A vibration analysis apparatus diagn...
Invention Clutch unit. A clutch unit (100) includes an operation lever (21), an operation member (22), an ...
2021 G/S Bearings with built-in sensors, machine elements not for land vehicles; bearings, machine element...
G/S Bearings with built-in sensors, machine elements not for land vehicles; bearings, machine elemen...
G/S Bearings with built-in sensors, being parts of machines not for land vehicles; bearings, being pa...
Invention Clutch unit. Provided is a clutch unit (1) including: a static system (housing (40)); an output ...
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...
2020 Invention Cell tissue production method, cell tissue production set, and cultivation container containing c...
2018 G/S Slide bearings as parts of machines; bearings with sensor as parts of machines; hub bearings as p...
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; \ Ax...
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...
2005 G/S Bearings (machine elements not for land vehicles); shaft couplings (machine elements not for lan...
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; namely, films, tapes, sheets, rods, pipes and boards; semi-pro...
G/S Semi-processed plastic substances in the form of films, tapes, sheets, rods, pipes and boards.
G/S bearings, being part of machines
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