Portfolio comparison
Canon Inc vs EI Du Pont de Nemours and Co
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
EI Du Pont de Nemours and Co
Patents indexed
6
Year range
1934 – 1974
Most recent
1974
materialsautomotiveconsumer_electronicsmechanicalaerospace
Top Patents6 enriched
US 3819587· 1974
The Molecular Structure of Kevlar High-Strength Fiber
US 2130523· 1938
How Wallace Carothers Invented Nylon
US 3733309· 1973
How Plastic Soda Bottles Are Made Stronger Using Stretched Molecules
Activity by Decade
1930s2
1960s1
1970s3
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