Portfolio comparison
Exxon Research and Engineering Co vs Amazon com Inc
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_electronicstelecommunicationsenergymaterialsautomotive
Top Patents1 enriched
US 4009052· 1977
How Early Rechargeable Lithium Batteries Used Layered Materials
Activity by Decade
1970s1
Company B
Amazon com Inc
Patents indexed
2
Year range
1999 – 2001
Most recent
2001
ecommercesoftwaretelecommunicationsconsumer_electronicsai_ml
Top Patents2 enriched
US 5960411· 1999
How Amazon's One-Click Online Ordering System Works
US 6266649· 2001
How Online Stores Suggest 'You Might Also Like' Products
Activity by Decade
1990s1
2000s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.