NTN Corporation

Japan


 
Total IP 5,013
Total IP incl. subs 5,115 (+ 104 for subs)
Total IP Rank # 204
IP Activity Score 3.8/5.0    1,723
IP Activity Rank # 409
IP AS incl. subs 3.5/5.0    1,778
Stock Symbol 64720 (tse)
ISIN JP3165600002
Market Cap. 120336757102.0  (JPY)
Industry Tools & Accessories
Sector Industrials
Dominant Nice Class Machines and machine tools

Patents

Trademarks

1,229 16
9 6
3,727 13
13
 
Last Patent 2024 - Bearing device and spindle devic...
First Patent 1988 - Clutch
Last Trademark 2021 - Talking Bearings
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

2023 Invention Plunging type constant velocity universal joint for propeller shaft. A plunging type constant ve...
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 Reverse input cutoff clutch and actuator using same. This reverse input cutoff clutch is configur...
Invention Wheel bearing device. A wheel bearing device 1 comprises: an outer wheel 2 (external member); a h...
Invention Control device for link actuation device. A control device (4) for a link actuation device (1) co...
Invention Steering function-equipped hub unit, steering system, and vehicle. A steering function-equipped h...
Invention Hub unit with steering function, steering system, and vehicle. The present invention provides a h...
Invention Bearing device. This bearing device comprises a bearing and a sensor unit (6). The sensor unit (6...
Invention Shell type needle roller bearing. Provided is a shell type needle roller bearing with an outer ri...
Invention Hydrodynamic bearing, hydrodynamic bearing device, and motor. A hydrodynamic bearing (bearing sle...
Invention Resin retainer and roller bearing. Provided are: a resin retainer capable of suppressing initial ...
Invention Grease composition and rolling bearing. Provided are: a grease composition that achieves low dust...
Invention Rotation transmission device. This rotation transmission device includes: a roller retainer (7) s...
Invention Wheel bearing device. The present invention addresses the problem of making a wheel bearing devic...
Invention Wheel bearing device. Provided is a wheel bearing device that facilitates processing for spline-f...
Invention Wheel bearing device, and vehicle. Provided is a wheel bearing device with which it is possible t...
Invention Monitoring device and monitoring method. A monitoring device (80) comprises: an acquisition unit ...
Invention Sintered oil-impregnated bearing. A sintered oil-impregnated bearing (8) has a bearing surface (8...
Invention Resin insulated rolling bearing. When a diameter of a rolling element (4) is Dw (mm), the number ...
Invention Rolling bearing. Provided is a rolling bearing 1 in which, when an area enclosed by a line connec...
Invention Roller bearing. In order to minimize temperature increase when used under the condition that an i...
Invention Ball bearing. A ball bearing (100) comprises an inner ring (10), an outer ring (20), and a ball (...
Invention Wheel bearing device. Provided is a wheel bearing device that can further reduce weight while inc...
Invention Information processing device. In the present invention, a parameter adjustment device (5) compri...
Invention Roller bearing. In at least one of an inner ring raceway surface, an outer ring raceway surface, ...
Invention Power supply device and bearing device. A power supply device (17) comprises a first circuit (61)...
2022 Invention Piston ring. To provide a piston ring having superior wear resistance and causing less wear dama...
Invention Application mechanism and application apparatus. An application mechanism applies a liquid mater...
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 Invention Rolling bearing. To provide a rolling bearing having superior handling property and creep resist...
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 ...
Invention Insulated bearing device. An insulated bearing device is provided which includes a housing, an o...
Invention Bearing part and rolling bearing. A bearing part (10) is composed of a steel, and has a quench-h...
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 Axle bearing, grease composition and rolling ball bearing. To provide an axle bearing having a l...
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