Portfolio comparison
Josephine G. Cochrane vs Amgen Inc
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Josephine G. Cochrane
Patents indexed
1
Year range
1886
Most recent
1886
mechanicalconsumer_electronics
Top Patents1 enriched
US 355139· 1886
Josephine Cochrane's Mechanical Dishwashing Machine
Activity by Decade
1880s1
Top Patents1 enriched
US 5574018· 1996
Using Vitamin B12 to Help Proteins Survive the Human Digestive System
Activity by Decade
1990s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.