Portfolio comparison
Lewis E. Waterman vs Seoul National University R&DB Foundation
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Lewis E. Waterman
Patents indexed
1
Year range
1884
Most recent
1884
mechanicalconsumer_goodsmanufacturing
Top Patents1 enriched
US 293545· 1884
How Lewis Waterman's Original Fountain Pen Design Worked
Activity by Decade
1880s1
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
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