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List of Edison patents : ウィキペディア英語版 | List of Edison patents Below is a list of Edison patents. Thomas Edison was an inventor who accumulated 2,332〔(Edison's Foreign Patents ) (add 1,093 U.S. total patents)〕 patents worldwide for his inventions. 1,093 of Edison's patents were in the United States, but other patents were approved in countries around the globe. ==Introduction== Edison is credited for contributing to various inventions, including the phonograph, the kinetoscope, the dictaphone, the electric lamp (in particular the incandescent light bulb), the autographic printer and the. He also greatly improved the telephone by inventing the carbon microphone. Most of these inventions were not completely original but improvements of earlier inventions. Many of his patented inventions were actually made by his employees, but Edison did not share credit with his employees.〔Axelrod, A. (2008). Edison on innovation: 102 lessons in creativity for business and beyond. San Francisco, CA: Jossey-Bass. Page 61. (cf., () Edison never publicly gave credit to any of his small army of employees, experimenters, scientists, and craftsmen ())〕 However, one of Edison's major innovations was the first industrial research and development lab, which was built in Menlo Park and West Orange. Throughout the 20th century, Edison was the world's most prolific inventor. At the beginning of the century, he held 736 U.S. patents. His final count was 1,093 U.S. patents, including 1084 utility patents (patents for inventions) and 9 artistic design patents. It was not until June 17, 2003 that he was passed by Japanese inventor Shunpei Yamazaki.〔(Shunpei Yamazaki's 1085th U.S. Utility Patent )〕 Yamazaki was subsequently passed by Australian inventor Kia Silverbrook on February 26, 2008.〔(The patent where Silverbrook passes Yamazaki )〕
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