With the analysis among 184,601 patents, we discovered top 480 key players by total patent application. Hitachi Ltd., Ricoh Co., Ltd., International Business Machines Corp. are dominant in this area. They take 4.59% of the total patent filing.
With the analysis among related 76,379 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing State Grid Corp. of China, Hitachi Ltd., Panasonic Intellectual Property Management Co. Ltd. take 2.01% of patent filing during this period.
With the analysis among related 76,379 patents in last 5 years, we discover 42 new entrants. Land Bank of Taiwan Co. Ltd., OneTrust LLC, Cooperative Treasury Commercial Bank Co., Ltd. are the most active new entrants in this area.
With the analysis among 14,306 patents, we discovered top 376 universities and scientific research institutions by total patent application. Tsinghua University, Zhejiang University, South China University of Technology are dominant in this area. They take 7.89% of the total patent filing.