Portfolio comparison
Thomas A. Edison vs Dexcom
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Thomas A. Edison
Patents indexed
3
Year range
1869 – 1897
Most recent
1897
mechanicalconsumer_electronicstelecommunications
Top Patents3 enriched
US 200521· 1878
How Thomas Edison Improved Early Phonograph Recording
US 589168· 1897
How Thomas Edison's Kinetographic Camera Captured Early Motion Pictures
US 90646· 1869
Edison's First Patent: An Electric Vote Recorder
Activity by Decade
1860s1
1870s1
1890s1
Company B
Dexcom
Patents indexed
3
Year range
2016 – 2022
Most recent
2022
softwarebiotechtelecommunicationsconsumer_electronicsmedical_devices
Top Patents3 enriched
US 9282925· 2016
How Glucose Sensors Check Their Own Reliability for Insulin Pumps
US 11382539· 2022
A Catheter That Measures Glucose While Delivering Medication
US 20230263439
How a Sensor Checks Itself for Accuracy Using Other Body Data
Activity by Decade
2010s1
2020s1
How to use
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