With the analysis among 85 patents, we discovered top 43 key players by total patent application. Koninklijke Philips NV, Cie Générale Electricite, Siemens AG are dominant in this area. They take 18.82% of the total patent filing.
Noord-Holland, Netherlands
Patent: 7
Nordrhein-Westfalen, Germany
Patent: 4
CITY OF ROME, Italy
Patent: 3
Baden-Württemberg, Germany
Patent: 2
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With the analysis among 13 patents, we discovered top 2 universities and scientific research institutions by total patent application.
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Patent: 1