Portfolio comparison
Epir Technologies vs Motorola Inc
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
Company B
Motorola Inc
Patents indexed
1
Year range
1975
Most recent
1975
telecommunicationsconsumer_electronicssoftwaresemiconductors
Top Patents1 enriched
US 3906166· 1975
How Early Cell Phones Handled Calls Across Different Towers
Activity by Decade
1970s1
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