With the analysis among 136,330 patents, we discovered top 459 key players by total patent application. Panasonic Holdings Corp., Matsushita Electronics Corp., SANYO Electric Co., Ltd. are dominant in this area. They take 5.44% of the total patent filing.
With the analysis among related 35,471 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing Panasonic Intellectual Property Management Co. Ltd., Central South University, Siemens AG take 2.76% of patent filing during this period.
With the analysis among related 35,471 patents in last 5 years, we discover 37 new entrants. Qingdao Haier Refrigerator Co., Ltd., Sungrow Power Supply Co., Ltd., Contemporary Amperex Technology Co., Ltd. are the most active new entrants in this area.
With the analysis among 18,236 patents, we discovered top 369 universities and scientific research institutions by total patent application. Central South University, Nanjing University of Aeronautics & Astronautics, Kunming University of Science & Technology are dominant in this area. They take 5.71% of the total patent filing.