Portfolio comparison
Thomas A. Edison vs Leland Stanford Junior University
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Thomas A. Edison
Patents indexed
3
Year range
1869 – 1897
Most recent
1897
mechanicalconsumer_electronicstelecommunications
Top Patents3 enriched
US 200521· 1878
How Thomas Edison Improved Early Phonograph Recording
US 589168· 1897
How Thomas Edison's Kinetographic Camera Captured Early Motion Pictures
US 90646· 1869
Edison's First Patent: An Electric Vote Recorder
Activity by Decade
1860s1
1870s1
1890s1
Company B
Leland Stanford Junior University
Patents indexed
4
Year range
1980 – 2001
Most recent
2001
softwaretelecommunicationsconsumer_electronicssemiconductorsbiotech
Top Patents4 enriched
US 6285999· 2001
How Websites Get Ranked by Importance
US 4200770· 1980
How to Create a Secret Code Key Without Meeting First
US 4237224· 1980
How Scientists First Made DNA Replicate in New Cells
Activity by Decade
1980s2
2000s1
How to use
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