Portfolio comparison
Thomas A. Edison vs GM Global Technology Operations
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
GM Global Technology Operations
Patents indexed
6
Year range
2020 – 2024
Most recent
2024
automotiveconsumer_electronicsenergymaterialssemiconductors
Top Patents6 enriched
US 11145922· 2021
Boosting Solid-State Batteries with a Capacitor Interlayer
US 10593988· 2020
Improving Lithium Battery Life with a Built-in Lithium Source
US 10566652· 2020
How a Hybrid Layer Stops Metal Growths in Lithium Batteries
Activity by Decade
2020s6
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