Sigtem Technology, Inc.

Calculating rank

USPTO Granted Patents = 1

% Expired Patents = 100.0

Forward Citations = 17

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2 inventors (with patents filed for the assignee):

Di Qiu (1 out of 1 patent)

Chun Yang (1 out of 8 patents)

1 patent: Sort by Forward Citations

1. 9046591 - Coordinate-free measurement-domain navigation and guidance using location-dependent radio signal measurements (2015-06-02),

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USPTO Data Jan 1 1976 - Oct 27 2026

1 Patents

#308 in San Mateo, CA

#29,064 in California

#136,971 in US

San Mateo, CA, United States of America

Sigtem Technology, Inc.

Forward Citations = 17

2 inventors:

Di Qiu (1 out of 1 patent)

Chun Yang (1 out of 8 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sigtem Technology, Inc.. Retrieved from https://idiyas.com/company/sigtem-technology

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]