This inventor holds 5 USPTO granted patents and 2 published patent applications. Top assignees: Texas Instruments Corporation, Xerox Corporation, Other. Active years: 1984-2008.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Charles C Schaefer. Retrieved from https://idiyas.com/inventor/charles-c-schaefer
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
USPTO Granted Patents = 5 (Patent Applications = 2)
% Patents Active = 80.0
Average Co-Inventor Count = 2.0
ph-index = 3
Forward Citations = 19(Granted Patents)
Location History:
- Westbrook, CT (US) (1984)
- Tarpon Springs, FL (US) (1994)
- Crystal Lake, IL (US) (2003 - 2004)
- Churchville, NY (US) (2008)
Company Filing History:
2 out of 29,888 
Texas Instruments Corporation
1 out of 24,259 
Xerox Corporation
2 out of 834,513 Other
Years Active: 1984-2008
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5 patents (USPTO):Explore Patents
Profile summary based on public USPTO records.
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]
2 patents pending:
IDiyas Innovation Intelligence. (2026). Inventor Profile: Charles C Schaefer. Retrieved from https://idiyas.com/inventor/charles-c-schaefer
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]
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]