Citizen Watch Co., Ltd.

Calculating rank

EPO Patents = 1

Forward Citations = 0

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16 inventors (with patents filed for the assignee):

Akira Nakagawa (1 out of 24 patents)

Kazunari Ogata (1 out of 1 patent)

Takehiro Kariya (1 out of 1 patent)

4. Makoto Doi (1 out of 1 patent)

5. Katsumoto Kataoka (1 out of 1 patent)

6. Tomohiro Seimiya (1 out of 1 patent)

7. Akito Takenaka (1 out of 1 patent)

8. Shougo Kimura (1 out of 1 patent)

9. Yoshiharu Takane (1 out of 1 patent)

10. Erisha Hayashi (1 out of 1 patent)

11. Yousuke Sasaki (1 out of 1 patent)

12. Minato Machida (1 out of 1 patent)

13. Yosuke Takahashi (1 out of 1 patent)

14. Makoto Doi (0 patent)

15. Shougo Kimura (0 patent)

5 patents: Sort by Forward Citations

#333 in Nishitokyo-shi Tokyo

#6,656 in Japan

Forward Citations = 0

16 inventors:

Akira Nakagawa (1 out of 24 patents)

Kazunari Ogata (1 out of 1 patent)

Takehiro Kariya (1 out of 1 patent)

4. Makoto Doi (1 out of 1 patent)

5. Katsumoto Kataoka (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Citizen Watch Co., Ltd.. Retrieved from https://idiyas.com/company/citizen-watch

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

1 patent (EPO):

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]