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Citizen Tokei Kabushiki Kaisha

USPTO Granted Patents = 38

Trademarks = 80

Forward Citations = 923

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30 inventors (with patents filed for the assignee):

Satoshi Sugiura (6 out of 10 patents)

Ryuji Tonohori (4 out of 17 patents)

Takayuki Takahashi (4 out of 4 patents)

4. Satoshi Nakagawa (3 out of 42 patents)

5. Hideki Inoue (3 out of 52 patents)

6. Takayuki Takahashi (3 out of 16 patents)

7. Yuri Kawashima (3 out of 3 patents)

8. Junko Ikeuchi (3 out of 3 patents)

9. Toshibumi Wakayama (2 out of 5 patents)

10. Isao Yabe (2 out of 13 patents)

11. Masafumi Ohki (2 out of 2 patents)

12. Ikuko Tada (2 out of 2 patents)

13. Akira Yanagisawa (2 out of 2 patents)

14. Tomoyuki Kamiyama (1 out of 21 patents)

15. Sukeyuki Shinotsuka (1 out of 19 patents)

38 patents: Sort by Forward Citations

1. D614973 - Wrist watch case with band (2010-05-04),

2. D614513 - Wrist watch case with band (2010-04-27),

3. D606424 - Wrist watch (2009-12-22),

4. D600143 - Wrist watch case with band (2009-09-15),

5. D600142 - Wrist watch case with band (2009-09-15),

6. D599682 - Wrist watch case with band (2009-09-08),

7. D594351 - Wrist watch (2009-06-16),

8. D589378 - Wrist watch case with band (2009-03-31),

9. D589377 - Wrist watch case with band (2009-03-31),

10. D580809 - Watch dial (2008-11-18),

11. D580794 - Wrist watch case with band (2008-11-18),

12. D580793 - Wrist watch (2008-11-18),

13. D580792 - Wrist watch case with band (2008-11-18),

14. D580280 - Wrist watch (2008-11-11),

15. D538181 - Wrist watch (2007-03-13),

Citizen Tokei Kabushiki Kaisha is a Japanese watch company known for its innovative and high-quality timepieces. With a history dating back to 1918, Citizen Tokei has established itself as a leader in the industry. The company's watches are renowned for their precision, durability, and stylish designs.

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

#17,316 in the World

Citizen Tokei Kabushiki Kaisha

Forward Citations = 923

30 inventors:

Satoshi Sugiura (6 out of 10 patents)

Ryuji Tonohori (4 out of 17 patents)

Takayuki Takahashi (4 out of 4 patents)

4. Satoshi Nakagawa (3 out of 42 patents)

5. Hideki Inoue (3 out of 52 patents)

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