With the analysis among 98 patents, we discovered top 38 key players by total patent application. Koninklijke Philips NV, OSRAM SYLVANIA, Inc., Current Lighting Israel Ltd. are dominant in this area. They take 30.61% of the total patent filing.
Noord-Holland, Netherlands
Patent: 13
Massachusetts, United States
Patent: 12
Rheinland-Pfalz, Germany
Patent: 4
Massachusetts, United States
Patent: 2
Gansu Sheng, China
Patent: 2
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