Company Portfolio
Thomas A. Edison
Portfolio strength
Early stage
Patents indexed
3
Year range
1869 – 1897
Patent Activity by Year
All Patents
3
Career timeline
3 patents, 1869–1897
Dot size = forward citations
Hover or tap any dot to see the patent. Larger dots indicate more forward citations — a proxy for downstream influence.
How Thomas Edison Improved Early Phonograph Recording
An 1878 patent by Thomas Edison detailing mechanical improvements to early sound recording devices to make them more reliable.
How Thomas Edison's Kinetographic Camera Captured Early Motion Pictures
An 1897 patent by Thomas Edison for a camera mechanism designed to capture sequential images on a moving film strip to create the illusion of motion.
Edison's First Patent: An Electric Vote Recorder
Thomas Edison's very first patent, granted in 1869, describes an early machine designed to use electricity to quickly record and tally votes, primarily for legislative bodies.
Patent monitoring