Portfolio comparison
Lewis E. Waterman vs Johns Hopkins University
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Lewis E. Waterman
Patents indexed
1
Year range
1884
Most recent
1884
mechanicalconsumer_goodsmanufacturing
Top Patents1 enriched
US 293545· 1884
How Lewis Waterman's Original Fountain Pen Design Worked
Activity by Decade
1880s1
Company B
Johns Hopkins University
Patents indexed
2
Year range
2002 – 2018
Most recent
2018
biotechpharmaceutical
Top Patents2 enriched
US 6458360· 2002
How to Create Lab-Made Proteins That Stop Immune System Overreaction
US RE46907· 2018
Using Plant-Derived Chemicals and Metabolic Drugs to Fight Cancer
Activity by Decade
2000s1
2010s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.