This inventor holds 2 USPTO granted patents. Top assignees: Hitachi, Ltd., Nissel Sangyo America, Ltd., Other. Active years: 1980-1984.
IDiyas Innovation Intelligence. (2026). Inventor Profile: John E Johnson, Jr. Retrieved from https://idiyas.com/inventor/john-e-johnson-jr-6y3oduz4
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 = 3.0
ph-index = 2
Forward Citations = 24(Granted Patents)
Company Filing History:
1 out of 42,731 
Hitachi, Ltd.
1 out of 1 Nissel Sangyo America, Ltd.
1 out of 834,513 Other
where one patent can have more than one assignee
Years Active: 1980-1984
Loading Chart...
2 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 E Johnson, Jr. Retrieved from https://idiyas.com/inventor/john-e-johnson-jr-6y3oduz4
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]