Portfolio comparison
Amazon Technologies vs Thomas A. Edison
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Amazon Technologies
Patents indexed
4
Year range
2019 – 2023
Most recent
2023
How Smart Speakers Know You're Talking to Them After a Command
How Computers Train AI Models Using Separate Virtual Simulations
How Voice Assistants Change Their Speech Based on How You Talk
Activity by Decade
Company B
Thomas A. Edison
Patents indexed
3
Year range
1869 – 1897
Most recent
1897
How Thomas Edison Improved Early Phonograph Recording
How Thomas Edison's Kinetographic Camera Captured Early Motion Pictures
Edison's First Patent: An Electric Vote Recorder
Activity by Decade
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.