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Stockholm, Sweden

Per A Ljungberg

This inventor holds 4 USPTO granted patents. Top assignee: Telefonaktiebolaget Lm Ericsson (Publ). Active years: 1995-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Per A Ljungberg. Retrieved from https://idiyas.com/inventor/per-a-ljungberg

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

USPTO Granted Patents = 4

% Patents Active = 100.0

Average Co-Inventor Count = 1.9

ph-index = 3

Forward Citations = 38(Granted Patents)

Location History:

Stockholm, SE (1995)
Lund, SE (2002 - 2010)

Company Filing History:

4 out of 27,119

Telefonaktiebolaget Lm Ericsson (Publ)

Years Active: 1995-2010

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4 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7805591 - Method and system for dual-core processing (2010-09-28),

2. 6424822 - Communication device and method of operation (2002-07-23),

3. 5471468 - Square switching architecture (1995-11-28),

4. 5400324 - Method to provide link grouping in a packet switch (1995-03-21),

Profile summary based on public USPTO records.

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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