This inventor holds 6 USPTO granted patents. Top assignees: Gm Global Technolgoy Operations, Inc., Delco Electronics Corporation, Delphi Technologies, Inc.. Active years: 1981-2004.
IDiyas Innovation Intelligence. (2026). Inventor Profile: John L Kastura. Retrieved from https://idiyas.com/inventor/john-l-kastura
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
% Patents Active = 100.0
Average Co-Inventor Count = 1.9
ph-index = 5
Forward Citations = 158(Granted Patents)
Company Filing History:
4 out of 31,934 
Gm Global Technolgoy Operations, Inc.
1 out of 788 Delco Electronics Corporation
1 out of 5,161 
Delphi Technologies, Inc.
Years Active: 1981-2004
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6 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]
IDiyas Innovation Intelligence. (2026). Inventor Profile: John L Kastura. Retrieved from https://idiyas.com/inventor/john-l-kastura
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]