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Elkem Asa

USPTO Granted Patents = 48

% Expired Patents = 4.2

CIPO Patents = 7

EPO Patents = 20

Trademarks = 42

Forward Citations = 161

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68 inventors (with patents filed for the assignee):

Emmanuelle Ott (6 out of 6 patents)

Magne Dastol (5 out of 9 patents)

Oddvar Knustad (5 out of 5 patents)

4. Ole Svein Klevan (5 out of 5 patents)

5. Tor Soyland Hansen (3 out of 3 patents)

6. Vladimir Matychenkov (3 out of 3 patents)

7. Gabriella Maria Tranell (3 out of 5 patents)

8. Johan Arnold Johansen (3 out of 6 patents)

9. Ragnar Tronstad (3 out of 7 patents)

10. Erik Enebakk (3 out of 6 patents)

11. Olaf Trygve Vegge (3 out of 3 patents)

12. Odd Skogerbo (2 out of 2 patents)

13. Mohamed Al-Bagoury (2 out of 5 patents)

14. Arianeh Aamodt (2 out of 2 patents)

15. Matthew Liptak (2 out of 2 patents)

Core Competencies:

Silicon Based Alloy

Cast Iron Inoculant

Lithium-Ion Battery

Silicon Powder

NPK-Si Fertilizer

Viscosifier

Calcium-Silicate Slag

Grain Refining

Electrolytic Cell

Amorphous Silica

Carbon Electrodes

Self-Baking Electrode

48 patents: Sort by Forward Citations

1. 12753470 - Ferrosilicon vanadium and/or niobium alloy, production of a ferrosilicon vanadium and/or niobium alloy, and the use thereof (2026-10-06),

2. 12291764 - Silicon based alloy, method for the production thereof and use of such alloy (2025-05-06),

3. 12083591 - Mould powder and mould coating (2024-09-10),

4. 11932913 - Cast iron inoculant and method for production of cast iron inoculant (2024-03-19),

5. 11846000 - Cast iron inoculant and method for production of cast iron inoculant (2023-12-19),

6. 11777079 - Silicon-carbon composite anode for lithium-ion batteries (2023-10-03),

7. 11708618 - Cast iron inoculant and method for production of cast iron inoculant (2023-07-25),

8. 11542578 - Silicon based alloy, method for the production thereof and use of such alloy (2023-01-03),

9. 11486012 - Cast iron inoculant and method for production of cast iron inoculant (2022-11-01),

10. 11486011 - Cast iron inoculant and method for production of cast iron inoculant (2022-11-01),

11. 11479828 - Cast iron inoculant and method for production of cast iron inoculant (2022-10-25),

12. 11322741 - Silicon powder for use in anodes for lithium-ion batteries and method for production of silicon powder (2022-05-03),

13. 11299436 - NPK-Si fertilizer, method for production and use thereof (2022-04-12),

14. 11254622 - NPK-Si-humate fertilizer, method for production and use thereof (2022-02-22),

15. 11098383 - Cast iron inoculant and method for production of cast iron inoculant (2021-08-24),

Company Overview

Elkem ASA, headquartered in Oslo, Norway, is a leading global provider of advanced silicon-based materials. The company specializes in developing and manufacturing a diverse range of products, including silicon-based alloys, cast iron inoculants, and silicon-carbon composite anodes. Elkem is also known for its innovations in NPK-Si fertilizers, calcium-silicate based slag, and electrolytic cell technologies. With a strong focus on sustainability, Elkem is committed to enhancing performance across various industries, including construction, automotive, and energy.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

48 Patents

#13 in Oslo

#34 in Norway

#14,550 in the World

Elkem Asa

Forward Citations = 161

68 inventors:

Emmanuelle Ott (6 out of 6 patents)

Magne Dastol (5 out of 9 patents)

Oddvar Knustad (5 out of 5 patents)

4. Ole Svein Klevan (5 out of 5 patents)

5. Tor Soyland Hansen (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Elkem Asa. Retrieved from https://idiyas.com/company/elkem-asa

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]

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