Portfolio comparison
Canon Inc vs Lewis E. Waterman
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Canon Inc
Patents indexed
2
Year range
1988 – 2022
Most recent
2022
consumer_electronicsmechanicalsemiconductorsenergy
Top Patents2 enriched
US 4723129· 1988
How Canon's Bubble Jet Printers Make Ink Droplets
US RE48925· 2022
How Printers Manage Power States and Sleep Timers
Activity by Decade
1980s1
2020s1
Company B
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
How to use
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