Portfolio comparison
Thomas A. Edison vs Telefonaktiebolaget LM Ericsson AB
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
Telefonaktiebolaget LM Ericsson AB
Patents indexed
2
Year range
2003
Most recent
2003
consumer_electronicstelecommunicationssoftwareai_ml
Top Patents2 enriched
US 6590928· 2003
How Bluetooth Creates Wireless Networks with Unique Addresses
US 20230412513
How 5G Networks Coordinate AI Models Across Different Devices
Activity by Decade
2000s1
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