Portfolio comparison
Exxon Research and Engineering Co vs Sprint Communications Co LP
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
Sprint Communications Co LP
Patents indexed
1
Year range
2013
Most recent
2013
consumer_electronicssoftwaretelecommunicationsecommerce
Top Patents1 enriched
US 8423408· 2013
How Phones Store and Rotate Ads Locally by Breaking Rules
Activity by Decade
2010s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.