Portfolio comparison
NEC vs John L. Mason
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
NEC
Patents indexed
1
Year range
2015
Most recent
2015
telecommunicationsenergyautomotivesoftwareconsumer_electronics
Top Patents1 enriched
US 9168838· 2015
How an EV Charging Station Manages Power from Batteries and the Grid
Activity by Decade
2010s1
Top Patents1 enriched
US 22186· 1858
John Mason's 1858 Patent for the Mason Jar Lid
Activity by Decade
1850s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.