Assignee profile:

JTEKT Corporation

City:

Osaka

Country:

Japan

Published Applications:

1,665

Last publication date:

2025-08-07

Patent Grants:

1,373

Last grant date:

2025-09-30

JTEKT Corporation is a Japanese automotive components manufacturer headquartered in Osaka, Japan. It is the result of a merger between Koyo Seiko Co. Ltd. and Toyoda Machine Works in 2006. The company produces a wide range of automotive components, including steering systems, drivetrain components, bearings, machine tools and electronic control systems. JTEKT is the largest supplier of automotive steering systems in the world and is a major supplier to many of the world's leading automakers.

Quarterly JTEKT Corporation Patent Applications

Top Inventors for applications by JTEKT Corporation

These are the the leading inventors for applications assigned to JTEKT Corporation:

Recent patent applications by JTEKT Corporation

JTEKT Corporation based in Osaka, JP has been assigned the rights to these inventions. The list includes both Pending Applications and Patent Grants:

#1 | 2025-08-07 ✅ Patent 12,427,819 granted on 2025-09-30
US20250249716A1
Performing operations; transporting

STRUT BEARING AND VEHICLE STRUT SUSPENSION

#2 | 2023-08-17 ✅ Patent 12,480,569 granted on 2025-11-25
US20230258256A1
Mechanical engineering

PULLEY WITH TWO FLANGES, AND METHOD OF PRODUCING PULLEY WITH TWO FLANGES

#3 | 2022-09-15 ✅ Patent 11,964,665 granted on 2024-04-23
US20220289205A1
Performing operations; transporting

Vehicle speed calculating device and control device for vehicle

#4 | 2022-03-10 ✅ Patent 11,965,231 granted on 2024-04-23
US20220074032A1
Chemistry; metallurgy

Steel material to be starting material of carbonitrided bearing component

#5 | 2022-02-10 ✅ Patent 12,359,268 granted on 2025-07-15
US20220042545A1
Mechanical engineering

CARBONITRIDED BEARING COMPONENT

#6 | 2022-02-10 ✅ Patent 12,310,908 granted on 2025-05-27
US20220040025A1
Human necessities

Assist device

#7 | 2022-02-03 ✅ Patent 11,649,918 granted on 2023-05-16
US20220034443A1
Mechanical engineering

Flow pipe

#8 | 2022-01-20 ✅ Patent 11,745,792 granted on 2023-09-05
US20220017143A1
Performing operations; transporting

Steering device

#9 | 2022-01-06
US20220006244A1
Electricity

CONNECTING MEMBER

#10 | 2022-01-06
US20220003298A1
Mechanical engineering

BALL SCREW DEVICE

#11 | 2021-12-30 ✅ Patent 11,440,577 granted on 2022-09-13
US20210403076A1
Performing operations; transporting

Steering system, abnormality determination method, and non-transitory storage medium

#12 | 2021-12-23 ✅ Patent 11,834,115 granted on 2023-12-05
US20210394826A1
Performing operations; transporting

Steering system

#13 | 2021-12-23 ✅ Patent 11,840,295 granted on 2023-12-12
US20210394825A1
Performing operations; transporting

Steering system

#14 | 2021-12-23 ✅ Patent 11,814,121 granted on 2023-11-14
US20210394824A1
Performing operations; transporting

Steering device

#15 | 2021-12-23 ✅ Patent 12,330,719 granted on 2025-06-17
US20210394821A1
Performing operations; transporting

STEERING SYSTEM

#16 | 2021-12-23 ✅ Patent 12,030,559 granted on 2024-07-09
US20210394820A1
Performing operations; transporting

Steering system

#17 | 2021-12-09 ✅ Patent 11,387,760 granted on 2022-07-12
US20210384857A1
Electricity

Motor control device

#18 | 2021-12-09 ✅ Patent 11,402,002 granted on 2022-08-02
US20210381584A1
Mechanical engineering

Ball screw device

#19 | 2021-11-25 ✅ Patent 11,760,409 granted on 2023-09-19
US20210362776A1
Performing operations; transporting

Steering device

#20 | 2021-11-25
US20210362775A1
Performing operations; transporting

MOTOR CONTROL DEVICE AND STEERING SYSTEM

#21 | 2021-11-25 ✅ Patent 11,633,318 granted on 2023-04-25
US20210361516A1
Human necessities

Assist device

#22 | 2021-10-28
US20210332855A1
Mechanical engineering

EXTENDABLE SHAFT

#23 | 2021-10-28 ✅ Patent 12,350,749 granted on 2025-07-08
US20210331261A1
Performing operations; transporting

GEAR MACHINING APPARATUS

#24 | 2021-10-21 ✅ Patent 11,897,552 granted on 2024-02-13
US20210323599A1
Performing operations; transporting

Steering control system

#25 | 2021-10-21 ✅ Patent 11,377,134 granted on 2022-07-05
US20210323598A1
Performing operations; transporting

Steering device

#26 | 2021-10-21 ✅ Patent 11,345,386 granted on 2022-05-31
US20210323597A1
Performing operations; transporting

Steering column device

#27 | 2021-10-14 ✅ Patent 11,404,992 granted on 2022-08-02
US20210320607A1
Electricity

Motor control device

#28 | 2021-10-14 ✅ Patent 11,236,782 granted on 2022-02-01
US20210317875A1
Mechanical engineering

Rolling bearing

#29 | 2021-10-07 ✅ Patent 11,770,094 granted on 2023-09-26
US20210313923A1
Electricity

Motor controller

#30 | 2021-10-07 ✅ Patent 12,061,144 granted on 2024-08-13
US20210310932A1
Physics

Road surface friction coefficient estimating device

#31 | 2021-10-07 ✅ Patent 11,661,107 granted on 2023-05-30
US20210309290A1
Performing operations; transporting

Steering control device

#32 | 2021-09-30 ✅ Patent 11,555,534 granted on 2023-01-17
US20210301909A1
Mechanical engineering

Ball screw device

#33 | 2021-09-30 ✅ Patent 11,286,978 granted on 2022-03-29
US20210301866A1
Mechanical engineering

Tapered roller bearing and cage

#34 | 2021-09-30 ✅ Patent 11,897,550 granted on 2024-02-13
US20210300464A1
Performing operations; transporting

Steering control device

#35 | 2021-09-30
US20210300463A1
Performing operations; transporting

STEERING CONTROL DEVICE

#36 | 2021-09-30
US20210300382A1
Performing operations; transporting

TIRE STATE ESTIMATING DEVICE, CONTROL METHOD OF TIRE STATE ESTIMATING DEVICE, AND NON-TRANSITORY STORAGE MEDIUM

#37 | 2021-09-30
US20210300112A1
Performing operations; transporting

UPRIGHT

#38 | 2021-09-16
US20210289303A1
Electricity

MONITORING APPARATUS AND MONITORING METHOD

#39 | 2021-09-16 ✅ Patent 11,794,803 granted on 2023-10-24
US20210284226A1
Performing operations; transporting

Steering controller

#40 | 2021-09-16
US20210283810A1
Performing operations; transporting

RESIN MOLDING MOLD

#41 | 2021-09-09 ✅ Patent 11,319,990 granted on 2022-05-03
US20210277939A1
Mechanical engineering

Rolling bearing device

#42 | 2021-09-09 ✅ Patent 11,541,931 granted on 2023-01-03
US20210276617A1
Performing operations; transporting

Control apparatus for motor

#43 | 2021-09-09 ✅ Patent 11,964,714 granted on 2024-04-23
US20210276616A1
Performing operations; transporting

Steering control apparatus

#44 | 2021-09-09 ✅ Patent 11,691,663 granted on 2023-07-04
US20210276610A1
Performing operations; transporting

Steering control device

#45 | 2021-09-02 ✅ Patent 11,787,465 granted on 2023-10-17
US20210269086A1
Performing operations; transporting

Steering control apparatus

#46 | 2021-08-26 ✅ Patent 11,624,408 granted on 2023-04-11
US20210262529A1
Mechanical engineering

Shaft coupling

#47 | 2021-08-19 ✅ Patent 11,383,754 granted on 2022-07-12
US20210253156A1
Performing operations; transporting

Steering system

#48 | 2021-08-19 ✅ Patent 11,325,636 granted on 2022-05-10
US20210253155A1
Performing operations; transporting

Steering column device

#49 | 2021-08-12 ✅ Patent 11,400,936 granted on 2022-08-02
US20210245759A1
Performing operations; transporting

Travel assistance device

#50 | 2021-07-29 ✅ Patent 11,794,806 granted on 2023-10-24
US20210229739A1
Performing operations; transporting

Control apparatus for steering system

#51 | 2021-07-29 ✅ Patent 11,685,429 granted on 2023-06-27
US20210229737A1
Performing operations; transporting

Steering control device

#52 | 2021-07-29 ✅ Patent 11,639,191 granted on 2023-05-02
US20210229736A1
Performing operations; transporting

Turning apparatus

#53 | 2021-07-22 ✅ Patent 11,953,396 granted on 2024-04-09
US20210223126A1
Physics

Rotation angle detection device

#54 | 2021-07-22 ✅ Patent 11,325,637 granted on 2022-05-10
US20210221424A1
Performing operations; transporting

Steering system and method for manufacturing the same

#55 | 2021-07-22 ✅ Patent 11,318,982 granted on 2022-05-03
US20210221423A1
Performing operations; transporting

Steering column device and manufacturing method for the same

#56 | 2021-07-15 ✅ Patent 11,661,106 granted on 2023-05-30
US20210214003A1
Performing operations; transporting

Steering system

#57 | 2021-07-15 ✅ Patent 11,904,931 granted on 2024-02-20
US20210213997A1
Performing operations; transporting

Steering system

#58 | 2021-07-08 ✅ Patent 11,220,267 granted on 2022-01-11
US20210206373A1
Performing operations; transporting

Vehicle control device and four-wheel drive vehicle

#59 | 2021-07-01 ✅ Patent 11,975,772 granted on 2024-05-07
US20210197889A1
Performing operations; transporting

Steering control device

#60 | 2021-07-01 ✅ Patent 11,618,495 granted on 2023-04-04
US20210197885A1
Performing operations; transporting

Steering device

#61 | 2021-06-17
US20210179163A1
Performing operations; transporting

TELESCOPIC SHAFT AND STEERING SYSTEM

#62 | 2021-06-10
US20210172477A1
Mechanical engineering

CAGE, RADIAL-THRUST INTEGRATED BEARING, AND PLANETARY GEAR DEVICE

#63 | 2021-06-10
US20210172476A1
Mechanical engineering

RADIAL ROLLER BEARING CAGE

#64 | 2021-06-03 ✅ Patent 11,168,751 granted on 2021-11-09
US20210164527A1
Mechanical engineering

Driving force transmission device and control method for driving force transmission device

#65 | 2021-06-03 ✅ Patent 11,371,568 granted on 2022-06-28
US20210162859A1
Performing operations; transporting

Driving force transmission device and control method for driving force transmission device

#66 | 2021-05-27 ✅ Patent 11,319,994 granted on 2022-05-03
US20210156428A1
Mechanical engineering

Thrust roller bearing

#67 | 2021-05-27 ✅ Patent 11,312,409 granted on 2022-04-26
US20210155282A1
Performing operations; transporting

Steering control device

#68 | 2021-05-13 ✅ Patent 11,255,381 granted on 2022-02-22
US20210140477A1
Mechanical engineering

Rolling bearing and cage

#69 | 2021-05-13 ✅ Patent 11,274,701 granted on 2022-03-15
US20210140476A1
Mechanical engineering

Rolling bearing and cage

#70 | 2021-05-06 ✅ Patent 11,441,665 granted on 2022-09-13
US20210131549A1
Mechanical engineering

Worm reducer and method for manufacturing worm reducer

#71 | 2021-05-06
US20210131536A1
Mechanical engineering

RACK BIASING DEVICE

#72 | 2021-04-29 ✅ Patent 11,313,421 granted on 2022-04-26
US20210123487A1
Mechanical engineering

Vehicle drive device

#73 | 2021-04-29 ✅ Patent 11,919,581 granted on 2024-03-05
US20210122413A1
Performing operations; transporting

Steering control device

#74 | 2021-04-29 ✅ Patent 11,541,927 granted on 2023-01-03
US20210122411A1
Performing operations; transporting

Ball screw nut, turning unit, and method for manufacturing ball screw nut

#75 | 2021-04-29 ✅ Patent 11,173,917 granted on 2021-11-16
US20210122370A1
Performing operations; transporting

Control apparatus for four-wheel drive vehicle

#76 | 2021-04-29 ✅ Patent 11,207,979 granted on 2021-12-28
US20210122239A1
Performing operations; transporting

Drive device for vehicle

#77 | 2021-04-22 ✅ Patent 11,143,233 granted on 2021-10-12
US20210115968A1
Mechanical engineering

Rolling bearing and method for manufacturing rolling bearing

#78 | 2021-04-15 ✅ Patent 11,545,876 granted on 2023-01-03
US20210111609A1
Electricity

Motor device

#79 | 2021-04-15 ✅ Patent 11,632,013 granted on 2023-04-18
US20210111608A1
Electricity

Control device and motor device that ensure heat dissipation while reducing the size of the motor device

#80 | 2021-04-15 ✅ Patent 11,309,643 granted on 2022-04-19
US20210111501A1
Electricity

Substrate connecting structure

#81 | 2021-04-15 ✅ Patent 11,293,524 granted on 2022-04-05
US20210108706A1
Mechanical engineering

Vehicle drive device

#82 | 2021-04-15 ✅ Patent 11,339,835 granted on 2022-05-24
US20210108685A1
Mechanical engineering

Drive force transfer device

#83 | 2021-04-15 ✅ Patent 11,181,149 granted on 2021-11-23
US20210108681A1
Mechanical engineering

Rolling bearing

#84 | 2021-04-15
US20210107615A1
Performing operations; transporting

STEERING GEAR FOR BOAT

#85 | 2021-04-15 ✅ Patent 11,285,933 granted on 2022-03-29
US20210107443A1
Performing operations; transporting

Vehicle drive device

#86 | 2021-04-01 ✅ Patent 11,221,044 granted on 2022-01-11
US20210095721A1
Mechanical engineering

Rolling bearing

#87 | 2021-04-01 ✅ Patent 11,396,874 granted on 2022-07-26
US20210095665A1
Mechanical engineering

Vane pump including fluid communication passages for routing fluid received from two inflow passages around outer peripheral surface of the entire perimeter of the cam ring

#88 | 2021-04-01 ✅ Patent 11,679,802 granted on 2023-06-20
US20210094610A1
Performing operations; transporting

Steering control device

#89 | 2021-04-01 ✅ Patent 11,926,375 granted on 2024-03-12
US20210094609A1
Performing operations; transporting

Steering control device

#90 | 2021-04-01 ✅ Patent 11,724,732 granted on 2023-08-15
US20210094608A1
Performing operations; transporting

Steering control device

#91 | 2021-03-25 ✅ Patent 11,453,432 granted on 2022-09-27
US20210086822A1
Performing operations; transporting

Turning device

#92 | 2021-03-25
US20210086821A1
Performing operations; transporting

TURNING DEVICE

#93 | 2021-03-18 ✅ Patent 11,897,555 granted on 2024-02-13
US20210078628A1
Performing operations; transporting

Steering control device

#94 | 2021-03-18 ✅ Patent 11,279,392 granted on 2022-03-22
US20210078626A1
Performing operations; transporting

Steering column device

#95 | 2021-03-18
US20210078163A1
Performing operations; transporting

ASSIST DEVICE

#96 | 2021-03-18 ✅ Patent 12,090,653 granted on 2024-09-17
US20210078162A1
Performing operations; transporting

Assist device

#97 | 2021-03-18
US20210077839A1
Human necessities

ASSIST DEVICE

#98 | 2021-03-11
US20210076140A1
Electricity

SURFACE SHAPE VARIABLE SHEET AND SURFACE SHAPE VARIABLE DEVICE

#99 | 2021-03-11
US20210071751A1
Mechanical engineering

DRIVING DEVICE FOR VEHICLE

#100 | 2021-03-11 ✅ Patent 11,685,428 granted on 2023-06-27
US20210070351A1
Performing operations; transporting

Steering control device

Also check out JTEKT CORPORATION's (Osaka, Japan) applicant profile with 417 patent applications submitted.

AssigneeID:

60 ⎘