With the analysis among 121 patents, we discovered top 26 key players by total patent application. Sony Group Corp., Matsushita Electronics Corp., Eastman Kodak Co. are dominant in this area. They take 36.36% of the total patent filing.
Tokyo-to, Japan
Patent: 23
New York, United States
Patent: 6
Noord-Holland, Netherlands
Patent: 4
California, United States
Patent: 4
California, United States
Patent: 4
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