Portfolio comparison
Central Investment Corp vs Sunlight Photonics
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
Sunlight Photonics
Patents indexed
1
Year range
2016
Most recent
2016
renewable_energyconsumer_electronicssemiconductorselectrical_engineering
Top Patents1 enriched
US 9391457· 2016
How a Special Box Turns Solar Panel Power into Home Electricity
Activity by Decade
2010s1
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