Portfolio comparison
Thomas A. Edison vs Amazon Technologies Inc
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
Amazon Technologies Inc
Patents indexed
14
Year range
2011 – 2020
Most recent
2020
softwaretelecommunicationsecommerceconsumer_electronicsai_ml
Top Patents14 enriched
US 10878335· 2020
How Computers Find Similar Text Using Compact Data Structures
US 9280591· 2016
How Databases Keep Read-Only Copies Up-to-Date
US 9332078· 2016
How Amazon Delivers Content Faster Using Local Servers
Activity by Decade
2010s12
2020s2
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