With the analysis among 71 patents, we discovered top 40 key players by total patent application. Planet-Wattohm SNC, Legrand SA, NEC Corp. are dominant in this area. They take 22.54% of the total patent filing.
São Paulo, Brazil
Patent: 2
Mitsubishi Electric Corp.
Texas, United States
Patent: 1
Oki Electric Industry Co., Ltd.
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