With the analysis among 492 patents, we discovered top 65 key players by total patent application. Pioneer Corp., Samsung Electronics Co., Ltd., Koninklijke Philips NV are dominant in this area. They take 40.85% of the total patent filing.
Fukushima-ken, Japan
Patent: 88
Noord-Holland, Netherlands
Patent: 46
Tokyo-to, Japan
Patent: 23
Osaka-fu, Japan
Patent: 14
Shanghai Shi, China
Patent: 13
Tokyo-to, Japan
Patent: 11
Tokyo-to, Japan
Patent: 11
Kanagawa-ken, Japan
Patent: 11
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With the analysis among 2 patents, we discovered top 1 universities and scientific research institutions by total patent application.