Portfolio comparison
Purdue Pharma LP vs International Standard Electric Corp
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Top Patents1 enriched
US 7993644· 2011
Using Antibodies to Target Tissue Factor Without Stopping Blood Clotting
Activity by Decade
2010s1
Company B
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
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.