Portfolio comparison
Epcos Pte Ltd vs EI Du Pont de Nemours and Co
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Epcos Pte Ltd
Patents indexed
1
Year range
2011
Most recent
2011
consumer_electronicssemiconductorstelecommunications
Top Patents1 enriched
US RE42346· 2011
How Silicon Microphones Use Layers to Shrink Sound Sensors
Activity by Decade
2010s1
Company B
EI Du Pont de Nemours and Co
Patents indexed
6
Year range
1934 – 1974
Most recent
1974
materialsautomotiveconsumer_electronicsmechanicalaerospace
Top Patents6 enriched
US 3819587· 1974
The Molecular Structure of Kevlar High-Strength Fiber
US 2130523· 1938
How Wallace Carothers Invented Nylon
US 3733309· 1973
How Plastic Soda Bottles Are Made Stronger Using Stretched Molecules
Activity by Decade
1930s2
1960s1
1970s3
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