With the analysis among 318 patents, we discovered top 30 key players by total patent application. Matsushita Electric Works Co. Ltd., Toyo Denki Seizo KK, NGK Insulators, Ltd. are dominant in this area. They take 47.48% of the total patent filing.
Matsushita Electric Works Co. Ltd.
Tokyo-to, Japan
Patent: 37
Aichi-ken, Japan
Patent: 33
Tokyo-to, Japan
Patent: 32
Tokyo-to, Japan
Patent: 22
Mitsubishi Electric Corp.
Tokyo-to, Japan
Patent: 20
Tokyo Electric Power Co. Holdings, Inc.
Hyogo-ken, Japan
Patent: 5
Sumitomo Heavy Industries, Ltd.
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With the analysis among related 2 patents applied in the last 5 years. We discover 2 most active companies in this area.
Shenzhen Penglang Trading Co., Ltd.
Guangdong Sheng, China
Patent: 1
Jiangsu Lijun Power Semiconductor Co., Ltd.
Jiangsu Sheng, China
Patent: 1
With the analysis among related 2 patents in last 5 years, we discover 2 new entrants.
Shenzhen Penglang Trading Co., Ltd.
Guangdong Sheng, China
Patent: 1
Jiangsu Lijun Power Semiconductor Co., Ltd.
Jiangsu Sheng, China
Patent: 1
With the analysis among 9 patents, we discovered top 2 universities and scientific research institutions by total patent application.
Shaanxi Sheng, China
Patent: 4
North China University of Technology
Beijing Shi, China
Patent: 1