Portfolio comparison
Hewlett Packard Co vs Seoul National University R&DB Foundation
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Hewlett Packard Co
Patents indexed
1
Year range
1984
Most recent
1984
consumer_electronicsmechanical
Top Patents1 enriched
US 4490728· 1984
How Thermal Inkjet Printers Use Two-Step Heating to Shoot Ink
Activity by Decade
1980s1
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.