With the analysis among 46 patents, we discovered top 14 key players by total patent application. Hitachi Ltd., Philips, Koninklijke Philips NV are dominant in this area. They take 54.35% of the total patent filing.
Tokyo-to, Japan
Patent: 12
Noord-Holland, Netherlands
Patent: 3
Neuchâtel, Switzerland
Patent: 3
California, United States
Patent: 2
Aargau, Switzerland
Patent: 2
Mitsubishi Electric Corp.
Hamburg, Germany
Patent: 1
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With the analysis among 28 patents, we discovered top 2 universities and scientific research institutions by total patent application.
Shanghai Shi, China
Patent: 4