EPO Patents = 4

Forward Citations = 1

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7 inventors (with patents filed for the assignee):

Yoshifumi Yoshida (11 out of 54 patents)

Ryosuke Isogai (7 out of 8 patents)

Kotaro Maki (4 out of 5 patents)

4. Noboru Kawai (3 out of 8 patents)

5. Fumiyasu Utsunomiya (3 out of 76 patents)

6. Koutaro Maki (1 out of 2 patents)

7. Rumi Shiotsu (1 out of 1 patent)

8. Shunji Watanabe (55 patents)

11 patents: Sort by Forward Citations

1. 12689237 - Electronic circuit, module, and system (2026-07-21),

2. 12672794 - Living-body monitoring device (2026-07-07),

3. 12548895 - Electric wave transmission device and wireless communication system (2026-02-10),

4. 12109003 - Biological monitoring device (2024-10-08),

5. 11966270 - Sensor data collection device, sensor data collection system, and method of collecting sensor data (2024-04-23),

6. 11918322 - Intraoral sensing apparatus and manufacturing method thereof (2024-03-05),

7. 11864873 - Intraoral sensing system and intraoral sensing method (2024-01-09),

8. 11855638 - Optical latch circuit and electronic device (2023-12-26),

9. 11848571 - Electronic circuit, module, and system for radio wave powered battery switch (2023-12-19),

10. 11800259 - Biological monitoring device (2023-10-24),

11. 11632047 - Electronic circuit, module, and system (2023-04-18),

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.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

11 Patents

#1,804 in Tokyo

#4,134 in Japan

#51,714 in the World

Tokyo, Japan

Seiko Group Corporation

Forward Citations = 1

7 inventors:

Yoshifumi Yoshida (11 out of 54 patents)

Ryosuke Isogai (7 out of 8 patents)

Kotaro Maki (4 out of 5 patents)

4. Noboru Kawai (3 out of 8 patents)

5. Fumiyasu Utsunomiya (3 out of 76 patents)

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]

4 patents (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]