With the analysis among 105,374 patents, we discovered top 475 key players by total patent application. Hitachi Ltd., Iredell LLC, Pfeiffer Vacuum Technology AG are dominant in this area. They take 3.06% of the total patent filing.
With the analysis among related 48,928 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing Edwards Japan Ltd., Iredell LLC, Pfeiffer Vacuum Technology AG take 2.05% of patent filing during this period.
With the analysis among related 48,928 patents in last 5 years, we discover 84 new entrants. Hisense (Shandong) Refrigerator Co., Ltd., Jinhua Polytechnic, Guangdong Midea Consumer Electric Manufacturing Co. Ltd. are the most active new entrants in this area.
With the analysis among 12,714 patents, we discovered top 384 universities and scientific research institutions by total patent application. Zhejiang University, Tianjin University, China University of Petroleum (East China) are dominant in this area. They take 3.70% of the total patent filing.