Portfolio comparison
Raytheon Manufacturing Co vs EMI Ltd
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Raytheon Manufacturing Co
Patents indexed
1
Year range
1950
Most recent
1950
consumer_electronicsmechanical
Top Patents1 enriched
US 2495429· 1950
How Percy Spencer Invented the Microwave Oven
Activity by Decade
1950s1
Top Patents1 enriched
US 3778614· 1973
How Early CT Scans Created Detailed Body Images
Activity by Decade
1970s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.