% Expired Patents = 20.0

CIPO Patents = 1

EPO Patents = 3

Forward Citations = 13

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12 inventors (with patents filed for the assignee):

Bertil Pettersson (2 out of 4 patents)

Bertil Granqvist (2 out of 2 patents)

Ingemar Eriksson (2 out of 2 patents)

4. Helena Tufvesson (1 out of 4 patents)

5. Tord Johansson (1 out of 1 patent)

6. Nils-Åke Larsson (1 out of 1 patent)

7. Annica Strandberg (1 out of 1 patent)

8. Stefan Hogman (1 out of 1 patent)

9. Roland Nordin (1 out of 1 patent)

10. Bengt Nordin (1 out of 2 patents)

11. Johanna Lofroth Nickel (1 out of 1 patent)

12. Hangkan Joves (1 out of 1 patent)

13. Magnus Wikström (3 patents)

14. Mats Hübinette (1 patent)

15. Rein Aksberg (1 patent)

5 patents: Sort by Forward Citations

1. 7743974 - Container wall of paper and process for producing such a container wall (2010-06-29),

2. 6918992 - Fluff pulp for absorption products (2005-07-19),

3. 5922172 - Combustion of black liquid and processing of lime sludge in a recovery (1999-07-13),

4. 5811161 - Package of paper or paperboard having a thin extruded polyethylene (1998-09-22),

5. 5667633 - Method of producing white liquor streams of high and low sulphidity (1997-09-16),

Company Overview

Korsnäs is a leading provider of sustainable packaging solutions. With a strong focus on innovation and quality, Korsnäs offers a wide range of products including cartonboard, kraftliner and paper for various industries. The company is committed to sustainability and aims to reduce its environmental impact through the use of renewable materials and energy-efficient production processes.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

5 Patents

#3 in Gävle

#1,098 in Sweden

Gävle, Sweden

Korsnas Ab

Forward Citations = 13

12 inventors:

Bertil Pettersson (2 out of 4 patents)

Bertil Granqvist (2 out of 2 patents)

Ingemar Eriksson (2 out of 2 patents)

4. Helena Tufvesson (1 out of 4 patents)

5. Tord Johansson (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Korsnas Ab. Retrieved from https://idiyas.com/company/korsnas-ab

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]

3 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]