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The 21st century is the times of Digital Information. Most governments focus on the development of digital information, such as America, Japan, Korea, Britain, Germany, France and China. Over 90 percent of invention can be found in patent literature around the world each year. The Scientometric study of the patents in the field of international digital information transmission has an important reference value for establishment of the national industry policies on digital information and establishment of the enterprise protection on intellectual property right. By using scientometric analysis of patent literature during 1991-2006 of Samsung Electronic Ltd Corp. (shortened form Samsung Corp.) whose patent output from 2005 to 2006 occupied the first class in the field of digital information transmission all over the world, the author found that those prolific inventors who invented above 20 patents formed a close collaboration network; the output of inventorspsila patent and the network centrality are direct proportion relationship.