Portfolio comparison
Central Investment Corp vs PSemi Corp
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
PSemi Corp
Patents indexed
1
Year range
2022
Most recent
2022
semiconductorstelecommunicationsconsumer_electronics
Top Patents1 enriched
US RE48965· 2022
How to Stop Transistors from Wearing Out in Radio Frequency Chips
Activity by Decade
2020s1
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