Company Badge
USPTO Data Jan 1 1976 - Oct 27 2026
3 Patents
#159 in Oslo
#527 in Norway
Elkem Carbon as
Forward Citations = 0
7 inventors:
Elkem Carbon as
Calculating rank
% Expired Patents = 33.3
EPO Patents = 1
Trademarks = 3
Forward Citations = 0
Loading Chart...
Loading Chart...
7 inventors (with patents filed for the assignee):
Johan Arnold Johansen (3 out of 6 patents)
Alf Håberg (2 out of 2 patents)
Stian Madshus (2 out of 2 patents)
4. Sten Yngve Larsen (1 out of 1 patent)
5. Hermann Gran (1 out of 1 patent)
6. Bjorn Egeland (1 out of 1 patent)
7. Bjørn Egeland (1 out of 1 patent)
3 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Elkem Carbon as. Retrieved from https://idiyas.com/company/elkem-carbon-as
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]
1 patent (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]