Portfolio comparison
Exxon Research and Engineering Co vs Apple Computer 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
Apple Computer Inc
Patents indexed
2
Year range
1979 – 1999
Most recent
1999
personal-computingapplehardwarevideo-graphicshistory-of-computing
Top Patents2 enriched
US 4136359· 1979
The Apple II — The First Personal Computer That Came With Color
US 5946647· 1999
How Computers Find and Act on Data Patterns
Activity by Decade
1970s1
1990s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.