Portfolio comparison
Lewis E. Waterman vs International Business Machines
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
International Business Machines
Patents indexed
6
Year range
2015 – 2025
Most recent
2025
ai_mlsemiconductorsconsumer_electronicstelecommunicationssoftware
Top Patents6 enriched
US 10740671· 2020
How IBM Uses Resistive Memory Chips to Speed Up AI Training
US 10956815· 2021
How to Fix Faulty Memory Cells in AI Chips
US 12412637· 2025
Computer Model Designs Proteins by Matching Structure to Sequence
Activity by Decade
2010s2
2020s4
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