Catonsville, MD, United States of America

Steven L Johnson

This inventor holds 4 USPTO granted patents. Top assignees: W. R. Grace Co.-Conn., W. R. Grace Co.. Active years: 1988-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Steven L Johnson. Retrieved from https://idiyas.com/inventor/steven-l-johnson-16xdmglw

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 = 2.5

ph-index = 4

Forward Citations = 72(Granted Patents)


Location History:

  • Catonsville, MD (US) (1988 - 1992)
  • Arbutus, MD (US) (1997)

Company Filing History:


Years Active: 1988-1997

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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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