With the analysis among 81 patents, we discovered top 28 key players by total patent application. RCA Corp., Koninklijke Philips NV, The Bendix Corp. are dominant in this area. They take 23.46% of the total patent filing.
California, United States
Patent: 10
Noord-Holland, Netherlands
Patent: 5
Hovedstaden, Denmark
Patent: 4
Michigan, United States
Patent: 3
California, United States
Patent: 3
Shanghai Integrated Circuit Research & Development Center Co.
Shanghai Shi, China
Patent: 2
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With the analysis among 6 patents, we discovered top 1 universities and scientific research institutions by total patent application.
Shanghai Shi, China
Patent: 1