Portfolio comparison
AST Research Inc vs Seoul National University R&DB Foundation
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Top Patents1 enriched
US 5754176· 1998
How Interactive Pop-up Help Windows Work in Computer Interfaces
Activity by Decade
1990s1
Company B
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
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.