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Ann Arbor, MI, United States of America

Nsk Corporation

USPTO Granted Patents = 2,433

EPO Patents = 900

Trademarks = 33

Forward Citations = 15,719

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1,559 inventors (with patents filed for the assignee):

Takashi Imanishi (68 out of 68 patents)

Hideo Ouchi (66 out of 70 patents)

Shuji Endo (52 out of 55 patents)

4. Seiichi Moriyama (43 out of 43 patents)

5. Soichiro Kato (43 out of 43 patents)

6. Toshikazu Yabe (42 out of 47 patents)

7. Nobuyuki Hagiwara (41 out of 41 patents)

8. Toru Tsukada (40 out of 51 patents)

9. Takahiro Tsubaki (39 out of 39 patents)

10. Takayoshi Sugawara (38 out of 39 patents)

11. Yasuo Murakami (38 out of 50 patents)

12. Hiroya Miyazaki (35 out of 40 patents)

13. Hiromichi Takemura (34 out of 35 patents)

14. Toru Segawa (32 out of 32 patents)

15. Hisashi Machida (32 out of 43 patents)

Core Competencies:

RFID Tag

Ball Screw Device

Torque Sensor

Electric Power Steering

Rolling Bearing

Grease Composition

Wireless Power Reception

Motor Control Device

Multi-Row Bearing

Crown-Shaped Retainer

Vibro-Acoustic Analysis

Dynamic Load Measurement

2,433 patents: Sort by Forward Citations

1. 12512731 - Electric driving device and electric power steering device (2025-12-30),

2. 12510111 - Rolled thread screw and rolled thread screw manufacturing method (2025-12-30),

3. 12509140 - Electric power steering device (2025-12-30),

4. D1103814 - RFID tag (2025-12-02),

5. 12486889 - Ball screw device (2025-12-02),

6. 12467501 - Crown-shaped retainer for ball bearing, and ball bearing (2025-11-11),

7. 12467012 - Grease composition for vehicular hub unit bearings (2025-11-11),

8. 12460714 - Method and device for sealing grease into ball screw device, ball screw device, method for producing ball screw device, method for producing linear actuator, method for producing vehicle brake, and method for producing vehicle (2025-11-04),

9. 12455202 - Torque sensor (2025-10-28),

10. 12454980 - Multi-row bearing and bearing unit (2025-10-28),

11. 12454308 - Motor control device, electric actuator product, and electric power steering device (2025-10-28),

12. 12449318 - Torque measuring device (2025-10-21),

13. D1095577 - Display screen or portion thereof with graphical user interface (2025-09-30),

14. 12415239 - Staking assembly, staking assembly manufacturing method, hub unit bearing, hub unit bearing manufacturing method, automobile, and automobile manufacturing method (2025-09-16),

15. 12413170 - Power source device and electric power steering device (2025-09-09),

NSK Corporation is a global manufacturer of industrial and automotive bearings, precision machinery, and parts. With a rich history dating back to 1916, NSK has established itself as a leading supplier of high-quality products and innovative solutions. Their extensive range of products includes ball bearings, roller bearings, automotive components, and precision machinery. NSK is committed to delivering reliable and efficient solutions to various industries, including automotive, aerospace, agriculture, and more. For more information, visit their website.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

2,433 Patents

#2 in Ann Arbor, MI

#11 in Michigan

#193 in US

#391 in the World

Ann Arbor, MI, United States of America

Nsk Corporation

Forward Citations = 15,719

1,559 inventors:

Takashi Imanishi (68 out of 68 patents)

Hideo Ouchi (66 out of 70 patents)

Shuji Endo (52 out of 55 patents)

4. Seiichi Moriyama (43 out of 43 patents)

5. Soichiro Kato (43 out of 43 patents)

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