Portfolio comparison
Epir Technologies vs Wistaria Trading Ltd
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
Wistaria Trading Ltd
Patents indexed
1
Year range
2018
Most recent
2018
consumer_electronicstelecommunicationssoftware
Top Patents1 enriched
US 9934408· 2018
How a Local Server Decides to Save or Degrade Digital Content
Activity by Decade
2010s1
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