With the analysis among 112 patents, we discovered top 51 key players by total patent application. Denso Wave, Inc., Toshiba Tec Corp., Matsushita Electronics Corp. are dominant in this area. They take 25.00% of the total patent filing.
Aichi-ken, Japan
Patent: 11
The Nippon Signal Co., Ltd.
Aichi-ken, Japan
Patent: 4
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