Portfolio comparison
Alliance for Sustainable Energy vs Exxon Research and Engineering Co
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Alliance for Sustainable Energy
Patents indexed
1
Year range
2016
Most recent
2016
renewable_energysemiconductorsconsumer_electronicsmaterials
Top Patents1 enriched
US 9287431· 2016
How to Make High-Efficiency Solar Cells with Stacked Layers
Activity by Decade
2010s1
Company B
Exxon Research and Engineering Co
Patents indexed
1
Year range
1977
Most recent
1977
consumer_electronicssemiconductorsenergymaterialschemical
Top Patents1 enriched
US 4009052· 1977
Early Lithium-Ion Battery Design Using Chalcogenides
Activity by Decade
1970s1
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