With the analysis among 167,103 patents, we discovered top 465 key players by total patent application. Panasonic Holdings Corp., Matsushita Electronics Corp., Yoshino Kogyosho Co. Ltd. are dominant in this area. They take 6.12% of the total patent filing.
With the analysis among related 8,559 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing Yoshino Kogyosho Co. Ltd., Asahi Kasei Corp., Sumitomo Wiring Systems Ltd. take 4.92% of patent filing during this period.
With the analysis among related 8,559 patents in last 5 years, we discover 96 new entrants. Seal & Pack Co., Ltd., Changchun University of Technology, Jiangsu Brivan Electronic Technology Co. Ltd. are the most active new entrants in this area.
With the analysis among 1,698 patents, we discovered top 193 universities and scientific research institutions by total patent application. Railway Technical Research Institute, Changchun University of Technology, Kyoto University are dominant in this area. They take 11.19% of the total patent filing.