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Nsk Corporation

USPTO Granted Patents = 2,464

% Expired Patents = 17.5

EPO Patents = 934

Trademarks = 28

Forward Citations = 16,016

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1,601 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. Nobuyuki Hagiwara (44 out of 45 patents)

5. Seiichi Moriyama (44 out of 44 patents)

6. Soichiro Kato (43 out of 43 patents)

7. Toshikazu Yabe (43 out of 48 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:

Ball Screw

Electric Power Steering

Bearing Manufacturing

Torque Sensor

Wireless Power Transfer

Angular Ball Bearing

Staking Assembly

Multi-Row Bearing

Grease Composition

Crown-Type Retainer

Motor Control Device

Dynamic Load Measurement

2,464 patents: Sort by Forward Citations

1. 12736089 - Reverse-input blocking clutch (2026-09-15),

2. 12736086 - Roller bearing (2026-09-15),

3. 12734574 - Press-formed product, rolling bearing, vehicle, machine, press-formed product manufacturing method, rolling bearing manufacturing method, vehicle manufacturing method, and machine manufacturing method (2026-09-15),

4. 12728913 - Rotation angle sensor, electric power steering device, and production method for rotation angle sensor (2026-09-08),

5. 12723217 - Filter for inhibiting degradation of edible oils, and method for producing same (2026-09-01),

6. 12680579 - Reverse input cutoff clutch (2026-07-14),

7. 12674713 - Load estimating device for rolling bearing, control device for mechanical device provided with rolling bearing, load estimating method, and program (2026-07-07),

8. 12674494 - Electric friction engagement device, method for detecting touch point therefor, and method for detecting abnormality thereof (2026-07-07),

9. 12669166 - Ball screw device (2026-06-30),

10. 12631223 - Reverse-input blocking clutch (2026-05-19),

11. 12631217 - Rolling bearing ring and manufacturing method therefor (2026-05-19),

12. 12624730 - Roller bearing (2026-05-12),

13. 12623414 - Method for producing composite material molded article, method for producing retainer and rolling bearing, and method for producing gearbox constituent component (2026-05-12),

14. 12607255 - Method for producing worm wheel, and worm wheel (2026-04-21),

15. 12590605 - Crown-type retainer for ball bearings, and ball bearing (2026-03-31),

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 - Sep 15 2026

Nsk Corporation

2,464 Patents

#53 in Tokyo

#101 in Japan

#397 in the World

Nsk Corporation

Forward Citations = 16,016

1,601 inventors:

Takashi Imanishi (68 out of 68 patents)

Hideo Ouchi (66 out of 70 patents)

Shuji Endo (52 out of 55 patents)

4. Nobuyuki Hagiwara (44 out of 45 patents)

5. Seiichi Moriyama (44 out of 44 patents)

Please report any incorrect information to [email protected]

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