Portfolio comparison
University of Helsinki vs William Painter
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Top Patents1 enriched
US 10400035· 2019
Using Antibodies to Protect Transplanted Organs from Damage
Activity by Decade
2010s1
Top Patents1 enriched
US 468226· 1892
How the Crown Cork Bottle Cap Changed Soda and Beer
Activity by Decade
1890s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.