Portfolio comparison
Central Investment Corp vs AT&T Intellectual Property I LP
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
AT&T Intellectual Property I LP
Patents indexed
2
Year range
2013 – 2014
Most recent
2014
softwareai_mlconsumer_electronicstelecommunications
Top Patents2 enriched
US 8862582· 2014
How Computers Automatically Organize and Search Photos Using Contextual Data
US 8606929· 2013
How Network Providers Subcontract Data Processing Tasks
Activity by Decade
2010s2
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