With the analysis among 63 patents, we discovered top 44 key players by total patent application. Hyundai Motor Co., Ltd., Honda Motor Co., Ltd., Kia Corp. are dominant in this area. They take 17.46% of the total patent filing.
Beijing Shi, China
Patent: 2
Nagano-ken, Japan
Patent: 1
Hyogo-ken, Japan
Patent: 1
California, United States
Patent: 1
Toyama-ken, Japan
Patent: 1
Beijing Shi, China
Patent: 1
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