Portfolio comparison
International Standard Electric Corp vs EMI Ltd
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
International Standard Electric Corp
Patents indexed
2
Year range
1941 – 1949
Most recent
1949
telecommunicationssemiconductorsenergymechanical
Top Patents2 enriched
US 2266401· 1941
How Pulse Code Modulation Digitizes Analog Signals
US 2485586· 1949
How the Geiger Counter Detects Invisible Radiation
Activity by Decade
1940s2
Top Patents1 enriched
US 3778614· 1973
How Early CT Scans Created Detailed Body Images
Activity by Decade
1970s1
How to use
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