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Nippon Seiko K.k.

USPTO Granted Patents = 12

Forward Citations = 181

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24 inventors (with patents filed for the assignee):

Yasuo Murakami (2 out of 50 patents)

Hiromi Sugi (2 out of 6 patents)

Kyozaburo Furumura (2 out of 16 patents)

4. Hiromitsu Asai (2 out of 5 patents)

5. Yoshihiro Yokote (1 out of 36 patents)

6. Hiroshi Eda (1 out of 34 patents)

7. Shigeki Furutani (1 out of 10 patents)

8. Nobuyuki Osawa (1 out of 31 patents)

9. Isamu Chikuma (1 out of 26 patents)

10. Mikio Yamaguchi (1 out of 16 patents)

11. Naoki Mitsue (1 out of 9 patents)

12. Hirotaka Kanazawa (1 out of 36 patents)

13. Noriyoshi Tsurugi (1 out of 1 patent)

14. Yasushi Kato (1 out of 1 patent)

15. Shigeji Ogata (1 out of 2 patents)

12 patents: Sort by Forward Citations

1. 5128571 - Hard disk driving motor (1992-07-07),

2. 5054524 - Solid-color weave pattern belt (1991-10-08),

3. D307834 - Child car seat (1990-05-15),

4. 4664414 - Automatic latch device for a movable runner member used in an automatic (1987-05-12),

5. 4621702 - Four-wheel steering apparatus of a vehicle (1986-11-11),

6. 4598914 - Sealing and bearing means by use of ferrofluid (1986-07-08),

7. 4516783 - Seal assembly with radially overlapping seal means (1985-05-14),

8. 4486026 - Sealing and bearing means by use of ferrofluid (1984-12-04),

9. 4476741 - Tilt type steering device (1984-10-16),

10. 4472003 - Track guide bearing assembly (1984-09-18),

11. 4471701 - Connecting mechanism of an XY table (1984-09-18),

12. 4007630 - Device for detecting damage on rotators (1977-02-15),

Nippon Seiko K.K. (NSK) is a Japanese company that specializes in manufacturing bearings, automotive products, and precision machinery components. With a history dating back over a century, NSK has established itself as a global leader in the industry, providing high-quality and innovative solutions to a wide range of sectors, including automotive, aerospace, and industrial machinery.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

12 Patents

#1,519 in Tokyo

#3,833 in Japan

#46,665 in the World

Nippon Seiko K.k.

Forward Citations = 181

24 inventors:

Yasuo Murakami (2 out of 50 patents)

Hiromi Sugi (2 out of 6 patents)

Kyozaburo Furumura (2 out of 16 patents)

4. Hiromitsu Asai (2 out of 5 patents)

5. Yoshihiro Yokote (1 out of 36 patents)

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