Portfolio comparison
Lewis E. Waterman vs Alipay Hangzhou Information Technology Co
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
Alipay Hangzhou Information Technology Co
Patents indexed
1
softwaretelecommunicationsecommerceai_mlfinance
Top Patents1 enriched
US 20240144032
How to Combine Information from Multiple Knowledge Graphs
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.