NHK Spring Co., Ltd.

Japan


 
Total IP 1,773
Total IP incl. subs 1,813 (+ 47 for subs)
Total IP Rank # 732
IP Activity Score 3.6/5.0    926
IP Activity Rank # 791
IP AS incl. subs 3.3/5.0    941
Stock Symbol
ISIN JP3742600004
Market Cap. 218195132736.0  (JPY)
Industry Auto Parts
Sector Consumer Cyclical
Dominant Nice Class Games; toys; sports equipment

Patents

Trademarks

757 25
23 7
936 16
9
 
Last Patent 2025 - Welding method and jig
First Patent 1977 - Nc coil spring manufacturing app...
Last Trademark 2024 - 3CQR
First Trademark 1962 - NHK

Subsidiaries

5 subsidiaries with IP (42 patents, 5 trademarks)

3 subsidiaries without IP

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Industry (Nice Classification)

Latest Inventions, Goods, Services

2024 Invention Contact probe, probe holder and probe unit. A probe unit includes: a plurality of first contact ...
Invention Disk drive suspension. A suspension includes a first actuator arrangement portion and a second a...
Invention Polishing device, polishing method, and machine part. A polishing device according to an embodim...
Invention Rotary device and thermal spraying apparatus. This rotary device comprises a rotary stage detach...
Invention Displacement detection device, displacement detection system and industrial equipment. A displac...
Invention Pressure spring, pressure spring structure, and method for manufacturing pressure spring. This pr...
Invention Epoxy resin composition for interlayer insulation, resin sheet for interlayer insulation, laminat...
Invention Thermal spraying equipment and thermal spraying control method. According to an embodiment of th...
Invention Torsion bar unit. A torsion bar unit includes a cylindrical shaped torsion bar including a fiber...
Invention Information processing system. An information processing system includes an object group informa...
Invention Positioning method and jig. The present invention provides a positioning method and a jig that en...
Invention Welding method and jig. The present invention provides a welding method which makes it possible t...
Invention Stator for rotating electrical machine. Provided is a stator for a rotating electrical machine, w...
Invention Stator for rotary electrical machine. This stator for a rotary electrical machine comprises: a st...
Invention Welded part inspection device and method. Provided is a welded part inspection device with which ...
Invention Spring member. A spring member according to the present invention comprises a plurality of disc s...
Invention Probe card. A probe card includes: a plurality of conductive contact probes; a probe head config...
Invention Motor rotor with inner sleeve. A rotor includes a shaft, a magnet located around the shaft, an i...
Invention Flexure of suspension for disk drive and suspension for disk drive, the flexure having an area wi...
Invention Driver's seat heater and automobile driver's seat. A driver's seat heater installed at a seat cu...
Invention Seatback pad and vehicle seat. A seatback pad that configures a pad member of a seatback of a ve...
Invention Pressing unit and spring member. A pressing unit according to the present invention comprises: a ...
Invention Device of managing work piece and method of managing work piece. A work piece includes a weld. A...
Invention Masking fixture. A masking fixture according to an embodiment of the present disclosure includes...
Invention Laminate structure, stage, semiconductor manufacturing device, and manufacturing method for lamin...
Invention Coil spring, and method for manufacturing coil spring. A coil spring according to the present inv...
Invention Stator manufacturing method and restraint jig. Provided is a stator manufacturing method capable ...
Invention Method for manufacturing circuit pattern assembly with release film, method for manufacturing cir...
Invention Covering tube and spring member. A covering tube according to the present invention is for coveri...
Invention Strand detection system, control device, control method, and control program. A strand detection ...
Invention Wire data processing system, control device, control method, and control program. A wire data pro...
Invention Manufacturing method for stator, twisting machining device, and twisting jig assembly. Provided i...
Invention Method and device for manufacturing stator. Provided is a method for manufacturing a stator, said...
Invention Vehicle seat. A vehicle seat, includes: a cushion pad; an air passage provided inside the cushio...
G/S Labels with machine-readable codes; labels carrying magnetically recorded or encoded information;...
G/S Labels with machine-readable codes; labels carrying magnetically recorded or encoded information...
Invention Head driving device. A head driving device includes a base member, a head supporting member, a b...
Invention Head driving device. A head driving device includes an actuator assembly driving a head member i...
Invention Tape drive device and method of detecting state of head unit of tape drive device. A tape drive ...
Invention Collective board, method for manufacturing same, and method for manufacturing circuit board. The ...
Invention Work cleaning device and cleaning method. A cleaning device includes a support member supporting...
2023 G/S Electronic testing apparatus for liquid crystal panels; electronic testing apparatus for semicon...
Invention Medical wire. This medical wire comprises: a first flexible tube body that extends in the front-b...
G/S Umbrellas; golf umbrellas; day packs; briefcases; bags; bags for sports; travelling bags; pouches...
G/S Umbrellas; golf umbrellas; day packs; briefcases; bags; bags for sports; travelling bags; pouche...
2022 Invention Stabilizer manufacturing method and stabilizer. A stabilizer manufacturing method includes formi...
Invention Flexural structure and half-finished product thereof. A flexural structure, in which a multi-str...
G/S Golf club shafts
Invention Leaf spring device. A leaf spring device includes a leaf spring main body, a first eye portion, ...
Invention Recording device, manufacturing method therefor, and housing. A recording device comprises a bas...
Invention Motor core manufacturing method and push-out device. A manufacturing method for a motor core tha...
Invention Flexible structure. A flexible structure includes a first member, a second member, a recess, and...
Invention Rotor manufacturing method, rotor, and rotating electric machine. In the present rotor manufactu...
Invention Damper spring. 2.
Invention Bending structural body. The present invention comprises: a first bending part and a second bend...
Invention Golf shaft and manufacturing method for same. Provided is a golf shaft capable of realizing a su...
2021 G/S Golf clubs; golf club shafts.
G/S Golf club shafts.
2019 G/S Golf club shafts; golf clubs; golf club heads; head covers for golf clubs; golf club grips; grip...
G/S Electric accumulators for vehicles Metallic bellows for articulated vehicles
G/S Printed wiring boards; Printed circuit boards; Electronic circuit boards; Electrical circuit boar...
G/S Printed circuit boards; Electronic circuit boards; Electrical circuit boards; Circuit boards; Cus...
2018 G/S Probes for scientific purposes; semiconductor testing apparatus; contact probes for testing semic...
G/S Probes for scientific purposes; semiconductor testing apparatus; contact probes for testing semi...
G/S Metal pipe supports; metal clamps; door springs, non-electric. Motors core (electric motors for m...
G/S structural vehicle parts and fittings for land vehicles, namely, connecting radius rods, stabilin...
G/S Accumulators for vehicles namely electric accumulator for vehicles, accumulators to control vehic...
2017 G/S Umbrellas; bags for sports; rucksacks; briefcases; suitcase; travelling case; travelling bags; ca...
G/S umbrellas; bags for sports; rucksacks; briefcases; suitcase; travelling case; travelling bags; c...
G/S Golf umbrellas; bags for golf sports; rucksacks for golf sports; briefcases for golf sports; suit...
G/S Umbrellas; bags for sports; rucksacks; briefcases; suitcases; travelling cases for carrying sport...
G/S Umbrellas; bags for sports; rucksacks; briefcases; suitcases; travelling cases for carrying spor...
2016 G/S Golf clubs; golf club shafts.
G/S Golf clubs; golf club shafts
2015 G/S Metal nuts; movable metal handrails used in nursing care; metal hardware, namely, springs, mesh s...
G/S locks of metal; springs, of metal; non-electric wires; springs of titanium alloy. springs being p...
G/S Shock absorbers for land vehicles; springs for land vehicles.
2012 G/S Holograms, namely, printed laser photographs; bar code readers; portable telephones; printers; * ...
G/S Holograms (laser photographs), bar code readers, portable telephones, printers, counterfeit disc...
2010 G/S Golf club shaft.
G/S golf club shaft
2007 G/S Electronic testing apparatuses for liquid crystal panels; electronic testing apparatuses for semi...
G/S Electronic testing apparatuses for liquid crystal panels; Electronic testing apparatuses for semi...
2005 G/S Printed name labels, seals (stationery), stickers (stationery), price tags, notice bills, and lab...
2004 G/S golf club, golf club shaft [ and metal baseball bat ]