Tokyo, Japan

Seiko Group Corporation

Calculating rank
USPTO Granted Patents = 12


Forward Citations = 1

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8 inventors (with patents filed for the assignee):

goldMedal Yoshifumi Yoshida (11 out of 54 patents)

silverMedal Ryosuke Isogai (7 out of 8 patents)

bronzeMedal Kotaro Maki (4 out of 5 patents)

4.  Noboru Kawai (3 out of 8 patents)

5.  Fumiyasu Utsunomiya (3 out of 77 patents)

6.  Koutaro Maki (1 out of 2 patents)

7.  Rumi Shiotsu (1 out of 1 patent)

8.  Akiko Araki (1 out of 1 patent)

9.  Shunji Watanabe (55 patents)


12 patents:

Company Overview
Seiko Group Corporation is a prominent Japanese company renowned for its expertise in the development and manufacturing of precision timepieces, including watches and clocks. The organization also specializes in various technological domains, such as electronic devices and optical products, showcasing a commitment to innovation and quality. With a rich heritage in horology, Seiko continues to influence the global watch industry while expanding its technological capabilities across diverse sectors.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Nov 3 2026

12 Patents

#1,729 in Tokyo

#3,938 in Japan

#48,276 in the World

Tokyo, JP
Tokyo, Japan
Forward Citations = 1

8 inventors:

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Seiko Group Corporation. Retrieved from https://idiyas.com/company/seiko-group

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]
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