% Expired Patents = 66.7

Forward Citations = 5

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3 inventors (with patents filed for the assignee):

Robert Gordon Smith (3 out of 4 patents)

Virat Sornsiri (2 out of 3 patents)

Sumio Shimizu (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 8630062 - Bearing apparatus having concentric inner and outer roller bearings and information recording/reproducing apparatus (2014-01-14),

2. 8345386 - Bearing device and information recording and reproducing apparatus (2013-01-01),

3. 8221003 - Bearing unit and pivot device (2012-07-17),

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

3 Patents

#375 in

#8,929 in Japan

JP

Seiko Instruments (Thailand) Ltd.

Forward Citations = 5

3 inventors:

Robert Gordon Smith (3 out of 4 patents)

Virat Sornsiri (2 out of 3 patents)

Sumio Shimizu (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Seiko Instruments (Thailand) Ltd.. Retrieved from https://idiyas.com/company/seiko-instruments-thailand

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]