Portfolio comparison
International Standard Electric Corp vs Lenovo Singapore Pte 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
Company B
Lenovo Singapore Pte Ltd
Patents indexed
1
Year range
2008
Most recent
2008
telecommunicationsconsumer_electronics
Top Patents1 enriched
US 7352772· 2008
How Wireless Routers Manage Traffic Between Old and New Devices
Activity by Decade
2000s1
How to use
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