With the analysis among 601,477 patents, we discovered top 463 key players by total patent application. Kobe Steel, Ltd., Panasonic Holdings Corp., Matsushita Electronics Corp. are dominant in this area. They take 3.85% of the total patent filing.
With the analysis among related 167,098 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing Central South University, Hitachi Metals, Ltd., University of Science & Technology Beijing take 1.46% of patent filing during this period.
With the analysis among related 167,098 patents in last 5 years, we discover 8 new entrants. Nanotek Instruments, Inc., Jiangsu Shagang Group Co., Ltd., Handan Iron & Steel Group Co. Ltd. are the most active new entrants in this area.
With the analysis among 79,583 patents, we discovered top 348 universities and scientific research institutions by total patent application. Central South University, Institute of Metal Research Chinese Academy of Sciences, University of Science & Technology Beijing are dominant in this area. They take 6.01% of the total patent filing.