Portfolio comparison
Central Investment Corp vs Apple
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
Apple
Patents indexed
2
Year range
2021
Most recent
2021
consumer_electronicssoftwaretelecommunicationsmechanicalaugmented_reality
Top Patents2 enriched
US 10942571· 2021
How Laptops Create Localized Vibrations on Their Surfaces
US 20210117042
How Devices Detect Touch Using Heat Signatures
Activity by Decade
2020s1
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