Portfolio comparison
Amgen Inc vs Centocor Inc
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Top Patents1 enriched
US 5574018· 1996
Using Vitamin B12 to Help Proteins Survive the Human Digestive System
Activity by Decade
1990s1
Top Patents1 enriched
US 7070775· 2006
How Engineered Antibodies Block Inflammation-Causing Proteins
Activity by Decade
2000s1
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