With the analysis among 12,383 patents, we discovered top 458 key players by total patent application. Covidien LP, Olympus Medical Systems Corp., Olympus Corp. are dominant in this area. They take 12.67% of the total patent filing.
With the analysis among related 9,351 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing Covidien LP, Gyrus ACMI, Inc., The First Affiliated Hospital of Zhengzhou University take 3.05% of patent filing during this period.
With the analysis among related 9,351 patents in last 5 years, we discover 294 new entrants. Guangdong Power Grid Co. Ltd., Asahi Intecc Co., Ltd., First People's Hospital of Yunnan Province are the most active new entrants in this area.
With the analysis among 1,747 patents, we discovered top 336 universities and scientific research institutions by total patent application. Fourth Military Medical University, The Second Military Medical University, Zhejiang University are dominant in this area. They take 6.75% of the total patent filing.