With the analysis among 59 patents, we discovered top 26 key players by total patent application. British Telecommunications Plc, Mitsubishi Electric Corp., Matsushita Electronics Corp. are dominant in this area. They take 28.81% of the total patent filing.
Massachusetts, United States
Patent: 5
Texas, United States
Patent: 4
Connecticut, United States
Patent: 2
California, United States
Patent: 2
ZURICH, Switzerland
Patent: 2
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With the analysis among 4 patents, we discovered top 3 universities and scientific research institutions by total patent application.
Missouri, United States
Patent: 1