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Ntn Toyo Bearing Co., Ltd.

USPTO Granted Patents = 65

Trademarks = 3

Forward Citations = 731

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101 inventors (with patents filed for the assignee):

Kei Kimata (16 out of 17 patents)

Tsugito Nakazeki (9 out of 9 patents)

Yoshinobu Yasuda (7 out of 7 patents)

4. Zenzaburo Tsukumo (5 out of 6 patents)

5. Hisashi Hayakawa (3 out of 16 patents)

6. Kazuki Kawashima (3 out of 13 patents)

7. Masao Kato (3 out of 3 patents)

8. Yoichiro Mitani (3 out of 3 patents)

9. Tomoyoshi Egusa (3 out of 4 patents)

10. Masahiro Saruta (3 out of 3 patents)

11. Makoto Yasui (2 out of 30 patents)

12. Isamu Yoshida (2 out of 12 patents)

13. Kenro Adachi (2 out of 16 patents)

14. Kenichiro Ito (2 out of 14 patents)

15. Noriyuki Tsushima (2 out of 6 patents)

Core Competencies:

Rotary Member

Wheel Bearing Assembly

Autotensioner

Clutch Mechanism

Rolling Bearing

Homokinetic Joint

Thrust Roller Bearing

Controlled Radial Magnetic Bearing

Fuel Injection Device

Constant Velocity Joint

Air Flow Measuring Device

Heat-Resistant Compounds

65 patents: Sort by Forward Citations

1. 4989705 - Rotary member with one-way clutch (1991-02-05),

2. 4969753 - Wheel bearing assembly for automotive wheel (1990-11-13),

3. 4950209 - Autotensioner (1990-08-21),

4. 4940447 - Autotensioner for adjusting the tension of a timing belt (1990-07-10),

5. 4938612 - Bearing assembly with wheel revolution detector (1990-07-03),

6. 4916750 - Sealed double row spherical roller bearing (1990-04-10),

7. 4904230 - Belt autotensioner (1990-02-27),

8. 4901831 - Clutch (1990-02-20),

9. 4893387 - Roller elements for roller bearing (1990-01-16),

10. 4865468 - Wheel bearing assembly for automotive wheel (1989-09-12),

11. 4863417 - Auto-tensioner for belt (1989-09-05),

12. 4856916 - Conducting rolling bearing (1989-08-15),

13. 4852707 - Reversible self-locking clutch (1989-08-01),

14. 4846592 - Rolling bearing (1989-07-11),

15. 4840740 - Grease for homokinetic joint (1989-06-20),

NTN Toyo Bearing Co., Ltd. is a Japanese company that specializes in the manufacturing and distribution of bearings. With a wide range of products, including ball bearings, roller bearings, and automotive bearings, NTN Toyo Bearing is known for its high-quality and reliable solutions. The company's commitment to innovation and customer satisfaction has made them a trusted brand in the industry. For more information about NTN Toyo Bearing Co., Ltd., please visit their website.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

65 Patents

#135 in Osaka

#1,442 in Japan

#11,042 in the World

Ntn Toyo Bearing Co., Ltd.

Forward Citations = 731

101 inventors:

Kei Kimata (16 out of 17 patents)

Tsugito Nakazeki (9 out of 9 patents)

Yoshinobu Yasuda (7 out of 7 patents)

4. Zenzaburo Tsukumo (5 out of 6 patents)

5. Hisashi Hayakawa (3 out of 16 patents)

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