Portfolio comparison
Zenith Radio Corp vs Cisco Technology Inc
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Zenith Radio Corp
Patents indexed
1
Year range
1957
Most recent
1957
consumer_electronicsmechanical
Top Patents1 enriched
US 2817025· 1957
How the First Wireless Television Remote Control Works
Activity by Decade
1950s1
Company B
Cisco Technology Inc
Patents indexed
2
Year range
2001 – 2017
Most recent
2017
telecommunicationssoftwareconsumer_electronics
Top Patents2 enriched
US 6178160· 2001
How DNS Servers Route Web Traffic to the Least Busy Server
US 9571603· 2017
How Servers Share an IP Address for High Availability
Activity by Decade
2000s1
2010s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.