Amsterdam, Netherlands

Hendricus J Heijmen

This inventor holds 4 USPTO granted patents. Top assignee: Shell Oil Comapny. Active years: 1980-1987.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hendricus J Heijmen. Retrieved from https://idiyas.com/inventor/hendricus-j-heijmen

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 = 2.0

ph-index = 2

Forward Citations = 64(Granted Patents)


Company Filing History:


Years Active: 1980-1987

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4 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]
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