Portfolio comparison
Epir Technologies vs FED TRUST Co
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Epir Technologies
Patents indexed
1
Year range
2014
Most recent
2014
semiconductorsenergymaterialsconsumer_electronics
Top Patents1 enriched
US 8912428· 2014
Solar Cells Made of Stacking Layers with Different Energy Gaps
Activity by Decade
2010s1
Top Patents1 enriched
US 775134· 1904
How King Gillette Invented the Modern Disposable Safety Razor
Activity by Decade
1900s1
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