Portfolio comparison
University of Helsinki vs Sikorsky Aircraft Corp
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 1994488· 1935
Igor Sikorsky's Early Design for a Vertical Takeoff Aircraft
Activity by Decade
1930s1
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