Company Badge
USPTO Data Jan 1 1976 - Oct 13 2026
1 Patents
#240 in Santa Ana, CA
#29,047 in California
#136,844 in US
Princeton Graphic Systems, Inc.
Forward Citations = 1
7 inventors:
Santa Ana, CA, United States of America
Princeton Graphic Systems, Inc.
Forward Citations = 1
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7 inventors (with patents filed for the assignee):
Darwin Chang (1 out of 6 patents)
Charlie Pai (1 out of 1 patent)
Ray Ho (1 out of 1 patent)
4. Sonja Schiefer (1 out of 1 patent)
5. Frank Kao (1 out of 1 patent)
6. Paul Wang (1 out of 2 patents)
7. Daniel Harden (1 out of 1 patent)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Princeton Graphic Systems, Inc.. Retrieved from https://idiyas.com/company/princeton-graphic-systems
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]
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]
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]