NSK Ltd.

Japan


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Total IP 2,791
Total IP incl. subs 2,871 (+ 81 for subs)
Total IP Rank # 450
IP Activity Score 3.8/5.0    1,257
IP Activity Rank # 576
IP AS incl. subs 3.5/5.0    1,287
Stock Symbol
ISIN JP3720800006
Market Cap. 406835860752.0  (JPY)
Industry Auto Parts
Sector Consumer Cyclical
Dominant Nice Class Machines and machine tools

Patents

Trademarks

990 36
1 13
1,694 10
47
 
Last Patent 2025 - Retainer
First Patent 1983 - Method of starting variable-spee...
Last Trademark 2025 - Lubrication Pentagon Theory
First Trademark 1957 - NSK

Subsidiaries

6 subsidiaries with IP (48 patents, 33 trademarks)

3 subsidiaries without IP

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Industry (Nice Classification)

Latest Inventions, Goods, Services

2025 G/S Machine elements (not for land vehicles); bearings, for use as machine elements other than for la...
Invention Induction heating method and induction heating apparatus for ring-shaped member, manufacturing me...
Invention Method for manufacturing ring-shaped member, method for manufacturing bearing, method for manufac...
Invention Induction heating method and manufacturing method for ring-shaped member, ring-shaped member, bea...
G/S Ball screws as machine elements not for land vehicles.
Invention Rolling bearing device having lubricating function. A rolling bearing device (1) having a lubrica...
Invention Retainer. Provided is a retainer for a rolling bearing, which retains a plurality of rolling elem...
Invention Determination device. A probe is provided with a probe body that comes into contact with a measur...
Invention Ball screw designing method and ball screw. Provided are a ball screw designing method and a ball...
Invention Determination device. According to the present invention, a probe comprises: a substantially colu...
Invention Feed screw device. The present invention comprises a ball screw provided with a threaded shaft an...
Invention Ball screw device. In the present invention, a housing (30) includes a first axial surface (AX1) ...
Invention Ball screw device. A housing (30) has a first axial surface (AX1) oriented in a first direction a...
Invention Friction clutch and method for assembling same. A friction clutch device 7 comprises: a retaining...
Invention Linear motion guide and method for manufacturing same. In this linear motion guide, a raceway sur...
Invention Seal structure and hub unit bearing. Provided is a seal structure capable of reducing seal torque...
2024 Invention Lubrication state diagnosis device, diagnosis method, and program. Provided is a diagnosis device...
Invention Method for machining raceway surface of rolling bearing, and methods for repairing and producing ...
Invention Bearing damage detection system and bearing damage detection method. This bearing damage detectio...
Invention Ball screw. A ball screw (10) comprises: a screw shaft formed with a screw shaft-side raceway gro...
Invention Reverse input shutoff clutch. [Problem] To provide a structure that can switch between enabling a...
Invention Clutch hub and two-speed transmission. This clutch hub comprises: a cylindrical part that has a f...
Invention Superfinishing method, roller bearing manufacturing method, vehicle manufacturing method, machine...
Invention Nut for ball screw device, method for manufacturing nut for ball screw device, and ball screw dev...
Invention Servo press mechanism, pressing method, production method for bearing, production method for mech...
Invention Hydraulic pressure generation device and hydraulic pressure operation device. This hydraulic pres...
Invention Machine component and monitoring system. A machine component 40 includes: a housing 41; a bearing...
Invention Monitoring system and maintenance management system. The present invention appropriately monitors...
Invention Sun gear unit of planetary gear mechanism, and transmission. This sun gear unit of a planetary ge...
Invention Brush unit and connection device. This brush unit is brought into contact with a shaft conductive...
Invention Signal processing device, diagnostic system, and signal processing method. The objective of the p...
Invention Device and method for processing ring-shaped member, method for manufacturing bearing, method for...
Invention Electric vehicle drive device. [Problem] To realize, in an electric vehicle drive device capable ...
Invention Electric vehicle drive device. This electric vehicle drive device is capable of switching the red...
Invention Linear motion guide device and method for manufacturing same. The present invention provides a li...
Invention Linear motion guide device and manufacturing method therefor. In this linear motion guide device,...
Invention State diagnosis system, state diagnosis method, and program. This state diagnosis system includes...
2023 G/S Wheels being parts of machines; electric drive motors for machines; Caster wheels being machine w...
G/S Devices for adapting power driven tools to robots; hydraulic control apparatus for robots; mechan...
Invention Motor control device, electric actuator product, and electric power steering device. A motor con...
Invention Power source device and electric power steering device. A power source device including: a DC pow...
Invention Roller bearing. A flange integrated with an inner ring is formed at one end of the inner ring in...
Invention Connection device. A connection device electrically connects a hollow rotary shaft and a conduct...
Invention Bearing device state detection method, detection device, and program. A detection method for det...
Invention Bearing device state detecting method, detecting device, and program. A detection method for det...
Invention Crown-type retainer for ball bearing, and ball bearing. A crown cage for a ball bearing includes...
Invention Quenching tool and quenching method. A quenching tool is used for quenching a quenching object w...
Invention Resin-made ball bearing retainer and ball bearing. A resin cage includes at least one circular r...
2022 Invention Reverse-input blocking clutch. A reverse-input blocking clutch includes a housing, an input shaf...
G/S Bearings, as parts of machines other than for land vehicles
Invention Quenching method and quenching device. Disclosed is a quenching method for a quenching object in...
Invention Quenching-attitude-setting program, quenching-attitude-setting method, and quenching-attitude-set...
G/S Screws of metal, namely, drive screw for machines for feed systems of machine tools Machine parts...
G/S Apparatus for machining drive mechanisms for machine tools; apparatus for machining; drive mechan...
G/S industrial grease; lubricating oils; industrial lubricants; industrial oils
G/S Industrial grease; lubricating oils [industrial lubricants]; industrial oils.
G/S Bearings as parts of machines other than for land vehicles; Bearings as parts of machines, namely...
G/S Bearings for use as machine elements other than for land vehicles; Bearings for dental air turbine.
Invention Angular ball bearing. An angular ball bearing includes an outer ring having an outer ring racewa...
2021 G/S Anti-rust greases. Sealing caps of metal for posts; sealing caps of metal for bearings, ball scre...
G/S Anti-rust greases. Sealing caps of metal; hardware of metal, small; rings of metal. Gaskets; joi...
G/S Anti-rust greases Sealing caps of metal; small hardware of metal, namely, ball bearings; rings of...
G/S Vibration sensors; wireless vibration diagnostic devices not for medical use to measure and diagn...
G/S Measuring apparatus; vibration sensors; wireless vibration diagnostic devices.
G/S Vibration sensors; wireless vibration diagnostic devices.
G/S Industrial oils and greases, lubricants, lubricating oils, lubricating greases, solid lubricants....
2020 G/S Bearings, being machine elements not for land vehicles.
G/S machine elements not for land vehicles, namely, bearings
G/S Electronic diagnostic instruments for evaluation and diagnosis of faults in ball, roller, linear ...
G/S Bearings and bearing housings as parts of machines; roller bearings for motors and engines and ma...
G/S Bearings and bearing housings (parts for machines other than land vehicles); roller bearings for...
2019 G/S Vehicle load detection sensors.
G/S Measuring instrument, namely, hydraulic pressure sensors for detecting loads on land vehicles
G/S Computer programs for steering and controlling land vehicles; computer programs for controlling a...
G/S Recorded computer programs for steering and controlling land vehicles; recorded computer programs...
2018 G/S CD-ROMs, optical discs, magneto-optical discs, electronic circuits, magnetic discs, magnetic tape...
G/S CD-ROMs, optical discs, magneto-optical discs, electronic circuits, magnetic discs, magnetic tap...
2017 G/S Vibration sensor for detecting vibration characteristics of operating mechanical bearings; Vibrat...
G/S Measuring, detecting and monitoring instruments, indicators and controllers; Diagnostic apparatus...
2016 G/S Mineral oils and greases for industrial purposes, not for fuel; non-mineral oils and greases for ...
G/S bearings and structural parts thereof, as parts of machines
G/S Bearings [parts of machines]; machines for the treatment of materials and manufacturing; machine ...
G/S Bearings, machine elements not for land vehicles.
G/S Steering units for land vehicles and parts thereof; Power steering units for automobiles and part...
G/S Anti-rust greases. Edible oils and fats. Rental of prime movers for vehicles. Rental of prime mov...
G/S Hand tools and hand tool sets for use with bearings, namely, pullers, pushers, straighteners, tr...
G/S Grinding; rental of 3D printers Repair and maintenance of bearings; repair and maintenance of mac...
G/S Bearing monitoring system comprised of hand-held monitor, vibration pickup sensor, output cable, ...
G/S Measuring and checking apparatus and instruments for measuring and checking bearings, spindles, s...