Portfolio comparison
Central Investment Corp vs Telefonaktiebolaget LM Ericsson AB
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Central Investment Corp
Patents indexed
1
Year range
1973
Most recent
1973
consumer_electronicsmechanical
Top Patents1 enriched
US 3735375· 1973
How Vacuum Tubes Detect Tiny Changes in High-Resistance Sensors
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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