Uma Ltd.

Calculating rank

Forward Citations = 22

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6 inventors (with patents filed for the assignee):

Norbert Hessbrüggen (1 out of 7 patents)

Piotr A Aleksandrov (1 out of 1 patent)

Vladimir S Sidorov (1 out of 1 patent)

4. Leon M Marmorstein (1 out of 1 patent)

5. Valentin T Grebennikov (1 out of 1 patent)

6. Ignaty M Petuhov (1 out of 1 patent)

2 patents: Sort by Forward Citations

#13 in Saint-Petersburg

#155 in Russia

Forward Citations = 22

6 inventors:

Norbert Hessbrüggen (1 out of 7 patents)

Piotr A Aleksandrov (1 out of 1 patent)

Vladimir S Sidorov (1 out of 1 patent)

4. Leon M Marmorstein (1 out of 1 patent)

5. Valentin T Grebennikov (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Uma Ltd.. Retrieved from https://idiyas.com/company/uma

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]