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USPTO Data Jan 1 1976 - Oct 27 2026
1 Patents
#789 in Minneapolis, MN
#3,567 in Minnesota
#136,971 in US
Johnson; David
Forward Citations = 4
1 inventor:
Minneapolis, MN, United States of America
Johnson; David
Calculating rank
CIPO Patents = 1
EPO Patents = 4
Trademarks = 5
Forward Citations = 4
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1 inventor (with patents filed for the assignee):
David A Johnson (1 out of 4 patents)
Yehoshua Shachar (35 patents)
David Johnson, Jr (6 patents)
4. Valerie Jean Johnson (6 patents)
5. John Edward Dumar (5 patents)
6. Alan C Echtenkamp (4 patents)
7. David W Johnson (2 patents)
8. Thomas C Chen (79 patents)
9. Bruce Marx (9 patents)
10. David Johnson (10 patents)
11. Leslie Farkas (12 patents)
12. Laszlo Farkas (10 patents)
13. David Johnson (0 patent)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Johnson; David. Retrieved from https://idiyas.com/company/johnson-david
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]
1 patent (CIPO):
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]
4 patents (EPO):
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]