With the analysis among 51 patents, we discovered top 26 key players by total patent application. International Business Machines Corp., RCA Corp., General Electric Co. are dominant in this area. They take 29.41% of the total patent filing.
International Business Machines Corp.
New York, United States
Patent: 8
California, United States
Patent: 4
Massachusetts, United States
Patent: 3
Illinois, United States
Patent: 3
Western Electric Co., Inc.
Georgia, United States
Patent: 3
Standard Telephone & Radio SA
Hovedstaden, Denmark
Patent: 2
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