Portfolio comparison
Seoul National University R&DB Foundation vs Exxon Research and Engineering Co
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Seoul National University R&DB Foundation
Patents indexed
1
Year range
2025
Most recent
2025
energymaterialssemiconductors
Top Patents1 enriched
US 12266789· 2025
How to Make Lithium-Sulfur Batteries Last Longer Using Polymer Coatings
Activity by Decade
2020s1
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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