Edison was the first person in human history to make use of a large number of production principles and electrical engineering research laboratories to patent inventions, which had a far-reaching impact on the world. His invention of the phonograph, movie camera and electric light had a great influence on the world. He has more than 2000 inventions, including phonograph, movie camera, tungsten light bulb, etc., which have great influence on the world. In the United States, Edison has 1093 patents, while his patents in Britain, France, Germany and other places have accumulated more than 1500.
Edison founded "Edison Electric Lighting Company" in 1879, and incandescent lamps went on the market in 1880. 1890, Edison established its various businesses as Edison General Electric Company, 189 1 year, and Edison's thin filament and high vacuum incandescent bulb were patented. 1892, Tom Houston Company and Edison Electric Lighting Company merged to form General Electric Company, which opened the hegemony of General Electric in the electrical field for a century.
Edison made so many inventions in his 84-year life, and he has been persistently devoted to inventions. In addition to his inventions and contributions in phonograph, electric light, telephone, telegraph and film, he also has many creations and opinions in mining, architecture and chemical industry, and has made great contributions to the progress of human civilization.