Portfolio comparison
Communications Services Corp Inc vs Telefonaktiebolaget LM Ericsson AB
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Communications Services Corp Inc
Patents indexed
1
Year range
1973
Most recent
1973
telecommunicationssemiconductorsconsumer_electronics
Top Patents1 enriched
US 3713148· 1973
How Radio Frequency Identification (RFID) Tags Were Invented
Activity by Decade
1970s1
Company B
Telefonaktiebolaget LM Ericsson AB
Patents indexed
5
Year range
2003 – 2025
Most recent
2025
consumer_electronicstelecommunicationssoftwareai_ml
Top Patents5 enriched
US 6590928· 2003
How Bluetooth Creates Wireless Networks with Unique Addresses
US 10573086· 2020
How AR Glasses Make Virtual Objects Look Solid
US 12021609· 2024
How 5G Networks Use Different Speeds for Device Communication
Activity by Decade
2000s1
2020s3
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