Portfolio comparison
Exxon Research and Engineering Co vs Amazon Technologies
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Exxon Research and Engineering Co
Patents indexed
1
Year range
1977
Most recent
1977
consumer_electronicssemiconductorsenergymaterialschemical
Top Patents1 enriched
US 4009052· 1977
Early Lithium-Ion Battery Design Using Chalcogenides
Activity by Decade
1970s1
Company B
Amazon Technologies
Patents indexed
4
Year range
2019 – 2023
Most recent
2023
softwareai_mltelecommunicationsconsumer_electronicsrobotics
Top Patents4 enriched
US 11361763· 2022
How Smart Speakers Know You're Talking to Them After a Command
US 11429762· 2022
How Computers Train AI Models Using Separate Virtual Simulations
US 10276149· 2019
How Voice Assistants Change Their Speech Based on How You Talk
Activity by Decade
2010s1
2020s3
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