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Seiko Watch Kabushiki Kaisha

USPTO Granted Patents = 38

EPO Patents = 3

Trademarks = 1

Forward Citations = 428

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28 inventors (with patents filed for the assignee):

Katsunori Kume (7 out of 7 patents)

Junichi Kamata (6 out of 8 patents)

Yu Ishihara (5 out of 5 patents)

4. Akihiko Yamamoto (3 out of 6 patents)

5. Aki Harada (3 out of 3 patents)

6. Kazumi Sakumoto (2 out of 54 patents)

7. Takumi Kishino (2 out of 2 patents)

8. Keizo Kumano (2 out of 6 patents)

9. Remi Pardoux (2 out of 2 patents)

10. Tetsuo Okaya (2 out of 4 patents)

11. Kazutoshi Itsubo (2 out of 2 patents)

12. Katsuya Mugishima (1 out of 7 patents)

13. Kosuke Yamamoto (1 out of 31 patents)

14. Kosuke Yamamoto (1 out of 13 patents)

15. Akihito Okumura (1 out of 6 patents)

38 patents: Sort by Forward Citations

1. 12429828 - Watch (2025-09-30),

2. D1049898 - Wristwatch case (2024-11-05),

3. D1049874 - Wristwatch case (2024-11-05),

4. D1049873 - Wristwatch body (2024-11-05),

5. D1034242 - Wristwatch body (2024-07-09),

6. D1034241 - Wristwatch body (2024-07-09),

7. D1018348 - Wristwatch dial (2024-03-19),

8. 11909347 - Stepping motor control device, movement, timepiece, and stepping motor control method (2024-02-20),

9. 11619911 - Timepiece movement and timepiece (2023-04-04),

10. 11618930 - Personal ornament and method for producing personal ornament (2023-04-04),

11. D968234 - Wristwatch (2022-11-01),

12. D806580 - Wrist watch case with band (2018-01-02),

13. D784166 - Watch case (2017-04-18),

14. D775973 - Wrist watch case (2017-01-10),

15. D775535 - Watch case with band (2017-01-03),

Seiko Watch Kabushiki Kaisha is a Japanese manufacturer of watches, clocks, electronic devices, semiconductors, jewelries, and optical products. The company was founded in 1881 by Kintaro Hattori in Tokyo, Japan. Seiko is known for its reliable and high-quality timepieces, with a wide range of designs catering to different consumer preferences.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

38 Patents

#833 in Tokyo

#1,982 in Japan

#17,311 in the World

Seiko Watch Kabushiki Kaisha

Forward Citations = 428

28 inventors:

Katsunori Kume (7 out of 7 patents)

Junichi Kamata (6 out of 8 patents)

Yu Ishihara (5 out of 5 patents)

4. Akihiko Yamamoto (3 out of 6 patents)

5. Aki Harada (3 out of 3 patents)

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